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Tous les autres axemplaires originaux sont filmis en commen^ant par la premiere page qui comporta une empreinte d'Impreaaion ou d'illustration et en terminant par la derniire page qui comporte une telle empreinte. Un dea symbolea suivants apparaitra sur la derniAre image de cheque microfiche, selon la cas: le symbole — ^ signifie "A SUIVRE", le symboie V signifie "FIN". Las cartea. pianches. tableeux. etc., peuvent dtre filmte A dee taux de rMuction diffirents. Lor^ue le document est trop grand pour dtre reproduit en un seul cliche, il est film* i partir do I'angle supirieur gauche, de gauche i drolte, et de haut en baa, en prenant te nombre d'images nteessaire. Les diagrammes suivants illustrent !a m*thode. 1 2 3 4 5 6 / y UNIVERSAL OR COSMIC TIME, BY SANDFORD FLEMING, C.E., C.M.G., Etc. TOGETHER WITH OTHER PAPERS, COMMUNICATIONS AND REPORTS IN THE POSSESSION OF THE CANADIAN INSTITUTE RESPECTING THE MOVEMENT FOR REFORMING THE TIME-SYSTEM OF THE 'VORLD, AND ESTABLISHING APRIMEMERIDIAN" AS A ZERO COMMON TO ALL NATIONS PUBLISHED BY THE COUNCIL OF THE CANADIAN INSTITUTE. TORONTO: COPP, CLARK & CO., PRINTERS, 67 & 69 COLBORNE STREET. 1885. K COSMIC TIME CONTENTS. ^°- Paok. 1. Introductorv Notes, explanatory of the publication of the several documents, under the authority of the Canadian Institute v '.'. Paper by Mr. Sandford Fleminj,' on Universal or Cosmic Time, read bjfore the Canadian Institute, Dec. *20th, 1884 5 SUPP1.EMENTARY PAPERS, COMMUNICATIONS AND REPORTS. 3. Memorial of the Canadian Institute to Ui-s Excellency the Governor Geoeral of Canada, submitting papers on 'i'ime-reckoning and a Prime Meridian, read during the Session, 1878-79 27 4. His Excellency the Marquis of Lome, Governor-General of Canada, to Sir M. E. Hicks-Beach, Colonial Secretary, London. (21st May, 1879) 29 5. Memorandum of the Canadian Institute, accompanying papers trans- mitted to the British Government. (May, 1879) 29 (). Professor R. Ramsay Wright, Secretary of the Canadian Institute, to His Excellency the (Jovernor-General. (June 24th, 1879) 30 7. His Excellency the Marquis of Lome, Governor-General, to Sir M. E. Hicks-Beach, Colonial Secretary, London. (July I2th, 1879) 31 8. Sir M. E. Hicks-Beach, Colonial Secretary, to the Marquis of Lome, Governor-General, Canada, (Oct. loth, 1879) 31 9. Sir M. E. Hicks-Beach, Colonial Secretary, to the Marquis of Lome, Governor General. (Oct. 17th, 1879) 32 10. Sir G. B. Airy, Astronomer Royal, Greenwich, to the Secretary of State for the Colonies. (18th June, 1879) 32 11. Professor Piazzi Smyth, Astronomer Royal for Scotland, to the Colonial Office, London. (Aug. 3()th, 1879) 35 12. Professor Piazzi Smyth, Astronomer Royal for Scotland, to the Colonial Office, London. (Sept. 5th, 1879) 35 13. The Lords Commissioners of the Admiralty to the Secretary of State for the Colonies. (Oct. 4th, 1879) 38 14. Sir M, E. Hicks-Beach, Colonial Secretary, to His Excellency the Marquis of Lome, Governor-General. (13th Nov., 1879) 38 15. G. G. Stokes, Esq., Secretary of the Royal Society, to the Colonial Office. (Nov. 6th, 1879) 39 IV SrPI'LKMKNTAlJV I'AJ'RIi.S, ETC. 10. Memoramlum by Dr. Daniel mison, Presi.lent of the 'Janadian In-'''''' stitute, for transmission with second issue of Mr. Sandford Fkm- ing's papers, by His Excellency the (Jovernor-General. (April 41) 17. Note from His Excellency the Governor-General of Canada, transmit- ting Mr. Sandford Fleming's papers, together with Eeport of the American Mctrological Society, to various Scientific Societies in Kurope. (May 12th, 1880) 18. The Imperial Academy of Sciences, St. Petersburg, to His Excel- lency the Governor-(ieneral of Canada. (Oct. 29th, 1880) 44 ly. Keport to the Imperial Aca.lemy of Science, St. Petersburgh by m" Otto .^truve. Director of the Astronomical Observatory Lt Pul" towa. (Sept. 30th, 1880) ,. 20. Reniarks presented with a Spanish Translation of Mr Sandford Fleming's papers, by Don Juan Pastorin, Lieutenant- Commander ot the Spanish Navy. (April 30th, 1881) 49 21 . The Geographical Society of Berlin. Remarks upon a Normal Time to^be^ common to the whole earth, by Dr. G. v. Boguslawski. 22. Address by Mr. Sandford Fleming, Delegate of the Canadi"an Institute "' and the Aniencan Metrological Society, at the International Geographical Congress at Venice. (September 21st. 1881) 50 23. .Remarks on the Cosmopolitan scheuve for regulating Time, by Prof it^ton. ST''' ^"P"""*'^"'^^"' '^ ""'^''^'^^ Almanac, Wash^ 24. The Italian Geographical Society. Examination of the scheme' of Time reform, by M. Ferdiuando Borsari. (1883) ,; ^ 25. Report on the Washington International Conference, to the Canadian Government, by Mr. Sandford Fleming, Delegate of Great Britain representing Canada. (31st December, 1884) ,57 26. Appendix to Report on the Washington Conference ....... "" 7I 27. His Excellency the Governor-General. Canada, to the President of the Canadian Institute 28. The Earl of Derby, Colonial Secretary. London, to His Excellency! the Marquis of Lansdowne. Governor-General of Canada (March 17th, 1885) ^^ 29. Observations on the Resolutions of th. Washington Meridian Con- ference. By M. Otto Struve, Pultowa, Russia ^4 ■¥. -ii.' I'll r n . INTRODUCTION. The documents included in this fasciculus not being part of the ordinary transactions of the Canadian Institute, their publication by the Institute calls for a word of explanation. During the winter session of 1878-1879 Mr. Sandford Fleming, one of the earliest members of the Institute, communicated to the So- ciety two remarkable papers— one on " Time-Reckoning," and the other on " The Selection of a Prime Meridian to be Common to all Nations, in Connection with Time-Reckonincr." These communications were of such world- .vide interest, the questions discussed were of such practical importance, that the Council of the Institute thought it desirable that they should be brought officially under the notice of as many leading learned societies as possible, both on this continent and in Europe ; this seemed all the more desirable inasmuch as the suggestions made by Mr. Fleming could only be carried out by the united action of the civilized nations of the world, and such action could be best secured through the intervention of the national scientific societies. The Council accordingly addressed a memorial to the then Gov- ernor-General, the Marquis oi Lome, requesting him to transmit Mr. Fleming's communications to the Imperial Government and to the representative learned societies of Europe and America. His Excellency kindly acceded to their recjuest, and in forwarding the papers to these scientific societies, he invited them to communicate to him their views upon the proposals discussed in the papers. The replies received have been placed by His Excellency at the disposal of the Institute, and are included in this volume. In publishing these replies, and the other documents which accompany them, the Institute is influenced by the desire to preserve a full and permanent record of the hist<*y of this interest- ing scientific movement, from its first practical discussion before the Canadian Institute in the winter of 1878, until the virtual VI INTRODUCTION. adoption of Mr. Klei^iing's views by the International Scientific Conference at Washington in 1884. fn a paper read during the last winter before the Canadian Insti- tute and included in this fasciculns, Mr. Fleming has given an inter- esting history of the whole movement, he has pointed out the share which many learned societies in Europe and America have taken in the work. He lias honourably mentioned the names of many scientific njen who have assisted in the discussion, nor has he fcrgotten to notice in what way the Institute has helped forward the movement. To his owcy continued earnest and honourable labours in t!ie cause Mr. Fleming has made no reference. This omission the Institute is constrained to notice in justice to Mr. Fleming and in justice to themselves. They may say what he has left unsaid, that his efforts have contributed in no small degree to the adoption of an initial Meridian common to all nations, and that he has un- questionably been the initiator and principal agent in the movement for reform in Time- Reckoning and in the establishment of the Uni- versal day. The Institute cannot, perhaps, better express the debt of gratitude which the civilized world owes to Mr. Sondford Fleming in this connexion than by ([uoting from the accompanying paper from llio pen of the distinguished Astronomer Royal of Russia, M. Otto Struve: "It is," he writes, "through Mr. Fleming's indefitigable personal labours and writings that influential individuals and Scien- tific Societies and Institutes in America and Europe have 1)een won over to the cause." It is gratifying to the Institute to be able to put forward so honour- able and independent a testimony to the value of Mr. Fleming's labours in this scientific revolution, and it is also to them a source of satisfaction to rellectthat Mr. Fleming's views were first communicated to the Institute, of which he is one of the earliest and most honoured members, and furtlxjr, that through their printed transactions, those views were brought prominently under the notic:: oi the scientifirc world. AV \ ■r -M\ UNIVERSAL ()]{ COSMKJ TIME, Ha,d hi-foi-i- the Cnadiaa l„.Hiful,; iittk nr-^mh,;: ISS'„ n\ MU. SANDK(tRl) FLEMING, C.M.G. ■' 'i n^ On the first day of the month the Presile. gnij.h to make the notation of time synchronous. While pointing out that this result had been obtained in Groat Britain through the efforts of Professor Airy, Mr. Cleveland Abbe gave a list of the various observatories on thia continent which are in possession of the necessary apparatus and force proper to furnish astronomically accu- rate time l)y telegraph. Writing in February, 188f», while giving the resolution adopted by the society, recommending the adoption oi" accurate time by telegniph from an established astronomical ob- servatory, Mr. Cleveland Abbe points out that the subject of accu- rate time had been t.;ken up by the Horological Bureau of the Winchester Observatory of Yale College, and that the most perfect apparatus had been received for the purpose o*' distributing New York time with tbe highest degree of uniformity and accuni.y. Mr. Cleveland \bbe's own remarks on the subject are of high value. He forcibly points out the difficulties ax..i inconveniences u^n- der which railway operations in America labour from the want of a proper system of time. To show this fact in greater force, he gives the sev(.nty-four standards then followed. These several standards lie proposed to set aside and replace by standards each differing one hour, or \fj'' of lonmtudo. While recommending this course, the Report sets forth that the change could only be i-egarded as a step towards the absolute uniform- ity of all time-pieces, anrs was directed to the documents themselves : 1 The Institut dc Franco Paris. -'. Sociuti) de Geoyraphie . , Paris .".. Socicti' Beige de (ii^ogi-aphie BriisscL"-. 1. Konigliche Preus.si .jhe Akademio (ler Wissensohiit'ten. BeHiii. ~K Geeellschaft I'iir Erdkuude Herlin. 0. Kaisurliuhe Akadcmie dor Wisbjiischai'ten \'ieiin;!, r. K. K. (-.fographischf ( Josclldcliaft Vieunii }.. Nicolaevskaia Glavnaia Obsorvatoria J'ultow.i. y-. Iiupor. Punisskae (Jleogralicheskoo 0()s<;iii stou St. Pet rslmr"-. !0. hiiTK'r. Akailemia Nauk St. Petcrslmm. 1 1 . Soeit'tc le Gi'-ogr.iphio (ioncva. By tills means attention was obtained for the subject in Europe, and when I submit evidence of the fact, f think you will agree witli me, thaf no liti hi uf the success which lias attended the movement IS owing to our late Goveruor-lJeneral. We must all acknowledge how mucii wt! are imiebted to him for the great personal interest lie has always sliown mi the subject. We are ctjrtainly warranted in forming the opinion, tliat the dissemination of these papers, under such distinguislied auspices, awakened ;ittention to the arguments they contain, and prepared the way for the sultsequent action taken at the International (leographical Congress at Venice, at the Geo- detic (Jongr-ss at Home, ami more recently at the Conference at Washington. Mr. Wilhehn Forst' r, director of the Berlin Oljservatory, enteis into the subject at h^ngth in a paj)er " Zur Beurtheilung l^lhiigei- Zeitfragen, insbesondere gegen die Einfiihrung einer deutschen Noi'- malzeit." [A Review of some considerations on Time, especially against the introduction of German National Uniform Time]. Mr. F6rsl(;r proceeds to say . The British Government is now transmitting, tii rough its representatives, although at the same time it declares itwelf neutral, a proijosition which has been j)ublished by a society of scientitic men in Canada, which aims at the establishment * See Commu!ii(,ationH printed with this. id-" UNIVERSAL OR COSMIC TIMR. 9 of a cosinopolit;*!! Jioniml datum (Prime Meridian) and of XJniTersal Time, and also the estabLislmuMit, of 21 meridians of an hour apart, l)y whicli local time will he absorbed. Thefiis< j»ioposal j\Ir. Forster describes as an iiupui-tant sign of th- times ;u i' cvidentl}' favours it. He strongly protests against the establishmeut of a National Ger- man Time r but fur railway business, and for such matters of commu- nication as reipiire precision, also for the form of expression of all scieutiHc relations to dmo, ^Ir. Fiirstei- points out that :\ rniversal Time eommoji to (he wliole world is to b:* recommended. Dr. (!. von Hogusl.iv.ski, in (In; VerlKimlliingen iicr desellsi^hafi r'ilr MrJknnJ:, (Tran.sactions of the iTeographical Society of Berlin"), commends tlu? new sclh.'me as it has been put forth in the Canadian Instituti! jjapers, and foretells that it will bf m matter- of fact in a short time. Uol. Aden, Din-cim- of the Military School, Belgium, lias two papers in the Bnlletut, dv. hi. Soclcte Behjede O'i'ographir. He supports the proposal lo establish I niversal Time, ami expresses th(! opinion that lougitiido ihroiighout tlie world shouhi h.iN-ea common iioiation, dating from one universally accepted Prime Meridian. Col. Wauverman, Pj'esident of the Ceographical Society of Ant- werp, in the P>uli;'tin of t'lat society, 1882, advocatr's the cliange, and with ability meets the arguments raisvul against ic, showin >■ thon to be groundless auvl arising from a want of thoi'oughly understand- ing the (juestion. In Spain, tin; proi)osals ha\ e met with iull su|tport. All the papers issued by the Canadian Institute have been ti-ans!uted an<^ published in a pamphlet of 80 i)ages by the Pevista Cenei'al de Marina. The translator, J)on Juan Pastorin, an oliicer of the S^tanish na\-v, is warm in his commendation of the scheme, and takes a wise and com- jtrehensive view of the whole rsal adoi»tion a common Prime JNIeridian to be used in the reckoning of Longitude and in the regulation of Time throughout the world. On the meeting of the American Association for the Advancement (•■J « ■■( I UxVIVKRSAL OR COSMIC TIMK, 13 of Science in Montreal, in July, 1882,, the subject was brought for- ward, and all the documonts w(t.> submitted and discussed. It was agreed that the Association slioidd co-operate with other bodies in furtherance of the movement. ^ On two occasions the Royal Society of Canada has had its atten- tion directed to the matter, and this body has assisted in furthering the determination of the problem by its co-operation and by cor- respondence witli the Government. Whihi some delay took place in summoning the International Con- ference by (he President;in conse(|uence of diplomatic correspondence on the subject, the question was ri[)ening on both sides of the Atlantic for conceit^:! action. Indeed, a decision with respect to the regula- tion of local Time was anticipated by the Railway iiuthorities lu North Amerifti, who adoj.ted the system of hour-standards which had l)e(Mi prominently l)rought forward as described. Oo Xovomber l., tiie followi„g appoars:- •• HoweviT loi„. t% ■ us« of the 'n. m: an.l ' p. ni.' for ,li.stinguishi„K th. f.vo lulves of the oivil day „.av sun-i •' It seems probaWe that the n.ore rational .nethod of oountin^ the honrs of the day continu' ouslylron. midnight through twenty-four ho.us to t).e mid>,y,t foHowing, may before Ion - come .nto use for a variety of purposes for whieh it is well aake ; but in addition to a new dial, it would involve also some altetation ,u construction, since the hour-han.l would have to ...ake one revolution only in the twenty-four hours inste.d of two. An.l th re would be this further disadvantage, that t'.e hours being more crowded together, the ang>.lar motion of the hand in movin- throu-h the space corresponding to an hour wouhl be less-in fact, one-half of its present amount " Th- i.uKly pointed out in " Nature " is extremely simple. It is the same as that recommended by Committee on btandar.l Time of the American Society of Civil Engineers, who reported at Convention of the Society at Bullalo in June (18S4) as follows :-" It is proposed to ad.p^ 16 UNIVERSAL OH COSM[C TIME. the International Institute :-Rev. H. G. Wood, of Sharon, Ponn- sylvama ; Professor C. Phizzi Smyth, Astronomer Roval for Scotland • Professor Jolni N. Stockwell, Astronomer, Cleveland; Mr Jacob .Al' Clark. C.E., New York; Mv. William H. Searle. Pennsvlvani"a ' cue late AhU F. Moigno, Canon of St. Denis, Paris ; Com.nodo,-e AVm. B. Whiting, U. S. Navy ; Mr. Charles Latimer, C. E., Cleve- land ; and others. It will be seen from what I have submitted, that the proceedino-s have neither been few nor without success, and that since this Institute published the first issue of papers on Time and Time-reckonin- tJie subject lias received nnich attention on both sides of the Atlantic Societies with kindred pursuits, men of recognized merit in the scientihc world, have turned to its examination and aided in its do velopment. Some few men have acted in concert. The hvbours of others have been independent. Some of these names I have been able to record, but I fear that I neglect to include many of eminence be^xuse they are not known to me. It is this varied and whlely diffased elioit which has rendere.l possible tlie realization of the practical results which I have the giutification to record, and all ;;eIo.-U.sa.ulw, tcl.es now m u.se to th„ eh.nge by inscribing „n the existing dials the ..,.., _ m.,nl.r.s of the afternoon hours -thirteen to twenty-four (1. to 24, i«elusive!-us in the PU,! Plate No. I. The only practical difficulty to be overcome ia met by the simple expedient of plaoinfc' la OH UNIVERSAL OR COSMIC TIME. 17 the membei's of this Society must equally join in the common satis- faction in tlie measure of success wliich has been achieved. Six years back, when the subject -^'as fliscussed in this Hall, there Avere probably not a few who viewed the propositions then submitted as merely fanciful theories. Others, who did not refuse to reco^-nize their bearing, entertained the feeling that many grave difficulties presented themselves to interfere with any successful attempt to reform or modify usages so ancient as the computation of time. But the Institute, as a body, was hopeful. The action taken by the Council to extend the field of discussion and awaken the attention of forei^'ii communities, evinced confidence, and we may now ask, was this confidence justified? What are the facts to-day? Twelve months have passed since an important change in tlie notation of Eailwav Time was made with general approval throughout the lenn^th and breadth of North America ; a revolution i' the usages of sixty millions of people has been silently effected and with scarcely a trace that it has happened. That proceeding has been followed by events of equal importance. On the 1st of (;>ctober last a body of accredited Delegates from the difterent nations, on the invitation of the Presi- den J of the United States, met in Conference to consider the problem " thu face of the watch or chick a sc(;onihiry ai;il, feliowiiig the new afternoon liours in Arabic '• liumeraJs witliin the present Roman figures. Plate .£^ ^^, No. 2. ^/ \\ \ •'Plate No. 2 shows the secondarj' dial. It must l»e of Miin material; and it has been ' ' found tliat made .simiiiy of paper and secure 1 to its i^osition by any gum wliicli will adhere to " an enamelled surface, the object is attained witJ^.iut any further alteration of tlie watch or " clock, " The Committee is aware that tli«se seem trifling matters to bring under the notice of the " Convention, but questions of great moment not Rtldom hinge en small details. It is evident ■" from what has been set fortli, that every person in the community may, at the cost of a few " cents in cacli case, adapt his watch to t!ie 24 o'cloL'k system. " The Committee accordingly repeat their convicUon, that witli the disappearance of the " only practical difficulty at an insignificant cost, tli.;rc is nothing to prevent the Railvay " authorities and the community st large adopting Win ciiange as soon as they become alive to " its advantages." ■ 18 UNIVKRSAI. OR COSMIC TIMK. tirst submitted to the world by llii.s Institute. The delegates were the representatives of twenty-tive (25) civilized uationH. The Con- ference continued during the whole month of October, ami, as a body, they came to conclusions atltcting all peoples living under our theories of civilization. It was early understood that a determination with respect to Uni- versal Time was not possible without the general recognition of a Prime Meridian. Hence the iuij)ortance attached to its choice, that it should be universally accei)ted. For many years attempts have Iteen made to eftect the establish- ment of an initial meridian recognized in common by all nations, l)ut every attempt hitherto had proved coihpletely unsuccessful. It is therefore the greater cause for congratulation, that the efforts of the Washington Conference have succeeded in its determination. The discussions of the Conference were long, and Vjeing cai'ried on in different languages, could not have been of equal interest to all 1 (resent. Translations became necessary, so that all the Delegates mi"ht equally understand the propositions which were daily submit- ted. This necessary course prolonged die sessions and multiplied the adjournments. At last, however, the choice of a Prime Meridian was obtained. The following i-esolution was passed, the Delegates voting by nations : " Resolved, That the Conference proposes to the Governments here represented, the adoi)tion of the meridian passing through the centre of the transit instrument at the Observatory of Green vich as the initial meridian for longitude. The above resolution was adopted by the following vote : In the affirmative : AUSTRIA, CHILI, COLOMBIA, OOSTA RICA, GERMANY, GREAT BRITAIN, GUATEMALA, HAAYAII, MEXICO, NETHERLANDS, PARAGUAY, RUSSIA, SALVADOR, SPAIN, SWEDEN, SWITZERLAND, I s. *9 SJ-' ITALY, JAPAN, LIBERIA, In tlie neirative UNIVERSAL OR <0<;MIC TIME. TURKEY, TNITED STATES, VENEZUEL... SAX DO.MINGO. 19 Abstiiined from voting : FRANCE AND BRAZIL. Ayes 22. Noes I. Tlicre was less difficulty and even greater unanimity displayed when the consideration of Universal Time was submitted. The Con- ference adopted the princi-^le of a Universal Day without a sincrle negative vote. The resolutions carried are substantially in acconl with tho essential principles, if not with the precise features of the proposals set forth in the proceedings of the Canadian Institute, published in 1879, The resolution defining the Universal Day reads as follows : " Re- solved, That this Universal Day is to be a mean solar day ; is to be^in tor all the world at the moment of mean midnight of the initial meridian, coinciding with the beginning of the civil day and date of that meridian, and is to be counted from zero up to twenty-four liours." This definition, taken in conjunction with the other resolutions of the Conference, is fraught with important consequences. When it is mean midnight at Greenwich, that moment it is mean noon at the meridian 180° from Greenwich, as indicated by the solar j.issage. Hence the Anti-Prime Meridian practically becomes the Time-zero for the workl. The initial instant of the twenty-four hours of each successive Universal or Cosmic Day is the moment of mean solar passage on the Anti-Prime Meridian. The first hour of the Cosmic Day°is at tlie solar passage on the meridian 15" westward ; this then becomes the 1st Hour Meridian. The second hour of the Cosmic Day is at the solar passage on the meridian 15° still further westward ; this be- comes the 2nd Hour Meridian. And so on in turn, eiich meridian which is an exact multiple of 15' from the Time-zero becomes an Hour Meridian corresponding in number with the numbers of the successive hours of the Cosmic Dav, Ml .^1 20 UNIVEUSAL OR COSMIC TIME. Tlie twenty-four Hour MoritUnus so determined come in the fol- lowing order, viz. : LONOITUDE EAST AND WKST. HOUR MERIDIANS. COSMIC TIME AT SOLAR PASSAGE 180° 1(M° l.-)0° l.S")° 1(».')0 750 (iOo 4.')0 :^o° 0° 15° 80- 4.")' 00° 75° 00° l(t5° 1:20° 1.3.-)° l.)0° 105° 180° Auti-Primo Mcriilian Mast East Eaiit Hast East East East East East East East The Prime Meridian . West West West West \Vest West West West West West West .... Auti- Prime Meridian Zero 1st '.'nd 3rd 4th 5th fitli 7th 8th 9th 10th nth 12th 13th 14th 15th 16th 17th ISth l!)th •20th 21st 22nd 23rd 24th Hour M eridian it or zero << hours minutes. 1 o'clock. 2 " 3 •• 4 " 5 " 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 2.S 24 Thus the exact position of the tweiity-four secondary or Hour Meri- dians is practically determined, and provision is thereby made for extending around the globe the Hour-system of regulating time which has b';en adopted with so much advantage in America. The.se Hour Meridians, so designated, completely eRt;)'iliKh the rela- tion between Cosmic time and longitude. Once every day the rela- tionship will be prominently brought under the notiec jf evciy indi vidual. Everyone, for oxam})le, living on the 6th Hour Meridian, will know at nooia that it is at that instant six o'clock Cosmic time : or, take the citizens of Toronto, the local time of which is governed by the 17th Hour Meridian; at the hour of noon they will know that it i 1" o'clock Cosmic Time. Invariable time will thus agree with Io}igituvic!, conversely longitude with time. By this arrange- ment the earth itself becomes the great Standard Chronometer for all U.NIVEKSAL OK COSMIU TIMi:. 21 luatikiud, aii.l iu its d.iily rotations the passage of tlio mn at atiy spJt will be the iiujcv of Cosmic tiiiio, Tlip resolutions of the IntornatioiiLil Conferonco estultlish a moans of reckoning tiuu; which promises, iu the ycjars to come, to be of the highest advantage to th.; liuman family. CoHmic Time, or whatn-er name may be given to Universal Time applied to civil pui-- poses, is an entirely new feature. It has now obtained rococnitiou by a pioporly constituted autliority, although until recently, I believe, it has leniained unconsidered. Astronomers have long had eipuuoi- tial time, which is absolute time, dating from an epoch determined hy the sun's motion among the stars ; beyond this I cannot liiid any nearer approach to the mention of LTniversal Time as now understood. The conclusions of the Conference mark a new in-a. The civil time of England is adopted as Universal Time. It may be said that Greenwich time is already known on every .sea, that it has been car- ried by British ships wherever British explorers and colonists and merchants have penetrated, but Greenwich time is the local time of Greenwich, and, heretofoi'o, it has always been held as such. Uni- versal time based on the Prime Meridian of the globe, and recog- nizee' by the several civilized nations, is an entirely different conce]i- tion. As the Time of the world common to every nation, it is held that the term "Cosmic" will better express that meaning than "Green- wicli." Cosmic and Greenwich tinte are identical by accident, but the e.\;i)ressioiis imply two totally different ideas, and known national sensitiveness suggests the good taste and ex])odiency of distinguishing the two ideas by different terms. • I am induced to add a few words, iu explanation of the jjrinciples of Cosnuc time. Time his been the subject of profound thought by many philoso- pliic minds of the past. Tijey have attempted to define it, and their definitions have been manifold. If we view the earth as a whole, and tlie conditions of fl/e age in which we live oblige ns so to view it, I am unable to see tl at any one of the recorded definitions gives sun- port to the ancient system of keeping count of time which v,'e follow. Gur ordinary usages imply that there is an infinite number of times, and they are based on the principle that time is dependent on local situation. Nothing can be more erroneous and misleading. It is tiiis false principle entering into every detail of daily life which has led each insigniticaut locality on the circumference of the globe to 22 UXIVEUSAL OR COSMIC TIME. claim the right to liave its own timo. It is self-evident that tiiiie is in no way dependent on locality, and I will quote on tlii.s ]»oint but one authority, the great Sir Isaac Newton. "Absolute true and mathematical time of itself, and from its own nature, flow.s equally without regard to anything external." Our finite minds are incapable of understanding fully what time is, but this much is ])erfectly clear to our reason. Time is a measure- able quantity, it may be termed a flowing magnitude, and only as one such inagnitude is it conceivable. A distinct and separate flow of time in each of the myriad localities throughout the Universe is perfectly inconceivable. If time be anything it is a ^ln!tl/ and not a plumliti/. The cardinal ])rincii)le of Cosmic Time is uniti/, and with imit// as a fundamental idea of time it must be held that the Cosmic system is the only sound princij)le of reckoning, and that as the area of civil- ization broadens, it must in the end be recognized as applicable everywhere and for all purposes. The conclusions of the International Conference are fruitful of results of high importance. They may be said to point to the o])en- ing of a new chapter in the world's annals. They make provision f.ir a complete cessation of ambiguity in hours and dates. By Cosmic- Tmie all events whatsoever will be systematically arranged according to their proper chronologi ;al order. The calendar days the worhi over will begin at the one initial instant, and clocks will strike the same hour at the same moment in all longitudes. But the new system can only be gradually introduced. The majority of mankind have flrmly fixed ideas with regard to the passage <^f the day and the numbers of the hours by whicJi their social habits are regulated. A proposal suddenly to change the old familiar suc- cession of the hours will be misunderstood. The influence of custom IS always powerful under any as])ect. It is anticipated that %his inflii- <>nce will be the one serious obstacle to be overcome. The bt^liri', however, may be permitted that the change will be rendered easy when men undersiand that the numbers of such hours have l)eeu arbi- trarily chosen ; that there is no necessary connection between them and the position of the sun in relation to the eiu-th in its daily rota- tion, and that whatever numborf; may distinguish the twenty-four divisions of the day, the recurring phenomena of light and darkness will always regulate sleeping, waking, eating, and working, and all the routine of life in every loculity. Nuou has heretufure bet-u + UXIVERSAL OR COSMIC TIAIE. 23 asHOciate.! in our luiiuls with the hour of 12, but amon^^ the J(nvs noon was the 6tli hour, and astronomers have almost invariably recoi,'- uized it as the 24th hour. For a year back throughout tlie Unitwl States and Canada tiie agreement between 12 o'clock and precise^ noon has been at an end. It may be said that, except on four or hve meridians, 12 o'clock is nowhere coincident with mean solar noon. This dei>arture from an old usage must tend to unloosen the traih'- tional idea that the mere numbers of the hours have any necessary ronneotion with the jiosition of the sun in the heavens. If tlii's innovation has any effect it must help to pave the way for still further and more important changes than have yet been introduced. Tlio Meridians by wliieh time is regulated in North America are 5. G, 7 aad 8 hours of longitude west from the Prime Meridian. It will onlv be necessary to move forward our clocks 5, G, 7, and 8 hours respec- tively to bi>ing them all into agreement with the time of the Prinu> Meridian, which is Cosmic Time, and thus obtain complete uniformity. It cannot, howe\er, be looked for that Cosmic Time will at once lie adopted in ordinary affairs. A generation probably will pass away before it will obtain general acceptance. The difficulties to be ovei- (roine cannot be ignored, and we may assume that it will only l,ostep by step that the cliangx; will be made, the more advanced nations taking the leail. On this continent positive progress has been made, to be succeeded before long, I do not doubt, In' another advance in public opinion, and a general acceptance of the principles recently reeogni/.-d. [n the course of yeai>s the prejudices en- gendered by inherited cu.stoms will bo gieatly modified, and the masses will gradually have their nunds familiarized with new ideas. It is a significant fact that the princijjles of the new systmn should be unanimously reconnuended by delegates from all civilized nations. I do tiot doubt that the several peoples they represent will soonvv nr later understand that one uniform reckoning of time for every pm- ])Ose throughout tlie globe is the only rational system, and the one notation which in coming years will pi'opei«Iy meet the necessities and requirements of niankind. In these remarks I have narrated the events which have takejv place on both sides of tlie Atlantio to influence and determine the .conclusions which, a few weeks back, the President submittal to the C'ongrt\ss of the United States. Ou this occasion I cannot tluuk tluit I iwn entirely wrong when I SHUIl 21 UXIVKIU.VL O.l C.JS.MIC TIJII5. v.:?iihn'e to congratulate the Cauadiivn Institute on tlie part which it his taken in the sohitiou of this problem. It stjuids among the Societies who first considered tliis comparatively new question. In- deed, it may be claimed that the Institute is to .some extent the pioneer Society in awakening the world to the advantages to be dei'ived from the establishment of Cosmic Time.. In conclusion, I will avail myself of the words of an early Pi-esi- deut of the Institute, whose portrait for more than thirty years has adorned the hall in which we are now assembled. Refer- ring to the results already eiJecfccMl in Time-reform and the prospects for the future, General Sir Henry Lefroy, in his addre.ss at the late meeting of the British Association in Montreal, remarked : '• Whether we conceive its educational tendency or its induence on the ftiturv! iutercour-se of uul)orn millions, it is a somewhat remarkable cvidonca that agreement upon questions of general concern is not that unattainable thing which we are apt to consider it." After the reading of Mr. Fleming's paper, the following Resolution %vas ntoved by Dr. B. A. Meredith, seconded by Mr. W. H. Van- derSmissea, and passed : "That the meeting, considering this an exceptional case, desire to tender a, coi'.Hal vote of thanks to Mr. Samlford Fleming, C.M.G., for his interesting conimuuieaticm on the subject of ' Oosiiiic Time,' and they wish, at the same time, to record their satisfaction that to one of the original members of the Institute is due the honour of being the first to bring prominently before the scitntific world, tlirougli the medium of tlie Journal of the Institute, the i)npnrt;iut sul)jcct of Time Ueform, and the a• of the Muit Dixtiniiuinhed Order of Sahit Michael and Saiiit George, O'arernor- Oeneral of Canada, and Vice-Admiral of the mine. The memorial of the Council of the Cauadiiin Institute lii:.spECTFULLY Sheweth : That the Canadian Institute, established in Toronto for a pei-iod of thirty years, has specially aimed at promoting scientific studv and research; and by means of its Journal of Proceedings has main- tained communication with men of science in Europe and Ameiicu. At meetings of the Institute, during the present session, com- munications have been submitted to it by one of its members, Mi: Sandford Fleming, C. M. G., with the special object of determining a First or Prime Meridian, common to all nations ; and promoting the adoption of a universal system of Time-reckoning, adapted alike tu the requirements of an uniform liistoi-ical record, and to the novel leijuirements of civilization, consequent on the rapid extension of lailway and telegraphic lines over the globe. While the geographical circumstances of Canada iuA-est this sub- ject with peculiar interest to the Dominion, its importance is not limited to Canada. In every civilized country, circumstances have tended in recent years to demonstrate the desirableness of adopting some uniform system of notation of time and space ; and, as vour Kxcellency will see by the papers herewith transmitted to you* the attention of various scientiHc bodies, both in Europe and America, as well as of your memorialists, has been directed to this important subject. Your Memorialists have accordingly welcomed, with special satis- faction, the suggestion by one of their own members whose practical experience, especially in his trans-continental survevs as Chief En- gineer of the Canadian Pacific Railway, peculiarlv'lits him for tlie task : the suggestion of a Prime Meridian, free from the objections hithei'to urged ag-'tinst other propositions, and so offering an' accept- ) 28 UXIVEKSAL OU COSMIC TIME. al.le solution of a problem of interuiitional importance, wliicli liiis 'lon^' engaged the attention of leading geographers and astronomers both of Europe and America. As the determining one initial Meridian for computing longitude, common to all nations, is an object of special interest to Great Ibit- ain, as the foremost niMritime nation of the world, as well as to Can- ada and all the Colonies of the i^hnpire : the Council of the Cauiuliiin Institute have hoped that the subject will not seem unworthy of your Excellency's consideration. Thev respectfully invite your attention to the matter as set forth in the accompanying papers ; and in view of the important internationiil interests involved, they beg leave, very respectfully, to ask your Ex- cdieney to bring the subject under the notice of the Imperial^ Gov- ernmeni, and to use your high influence to direct the attention of official and scientitic authorities in Great Britain, and those of foreign. (Jovernments, to it. Tlie peculiarly favourable position which your Excellency occui)ii's as the Governor-General, under Her Majesty, of a Dominion com manding both the Atlantic and Pacitic coasts of the Continent ()t Korth Anuu-ica, ai>pears to your Memorialists to furnish special facilities for promoting the simiditication of a comjdex system, ad- mittedlv open to well-founded objections; and substituting for it ova- which not only offer;^ a solution of the evils, but is also extremel\ j^imple in its application, and free from the sources of internatioiud j.jalousy which have hitlierto neutralized the efforts of scientilic men. to remedy practical evils which are universally recognized. And your Memorialists, as in duty l»ound, will ever pray. DAN'JEL WILSOX, LL, D., Pir -side lit. HENRY SCADDIN(i, D. U.. iliyl Vice -Pr^i'Jdir lit \\\ D. PEAllMAN, M. A., Cor.-Stc. ^;E0. E. SHAW, B. A., Citrntur. CrEORGE MURRAY. E. A. REEVE, B. A., M. i>. WM. OLDRKmT, M. A., M. I\. Jmi Via-Prcs'i'J( lit. ,TXO. NOTMAX, Treamrer. R. RAMSAY WRIGHT, M.A.,B.Sc,. liec.-Sec. THOS. HEYS, L'lhrar'ian. C. B. HAEL, il. D. E. .r. CHAPMAN, LL. D. .lAMHS I.OUDOX, M. A. •V .- SUPPLEMENTAUY PAPERS. 29 HIS r:'COKLLE>r(JY THE MAR'JIirS OF LORyE, aOVKKYOR-GEX- ERAL OF CANADA, TO .Sill M. E. HIOKS-BEACH. SECKETARV OF STATI-: FOR THE COLONIES. ^^''- '"^^'^ Ottawa, 2l8t May, 1870. SiH I have the honotu' to forward herewith for 8iich action as vou may think proper a copy of a Memorial addressed to me from the Canadian Institute, Toronto, togetlier with a patnplilet witli resi.pct to the desirability of establishing a " Prime Meridian " to be common to all nations. I have, etc., c ^# ^ r* LORNK. biR M. E. H(cK3-BB.vcn, &c., &c. MEM )RANDITM OF THE CAXADIAN INSTITUTE, ACCOMPANYl.W PAPERS TKANSMITTED TO THE IMPERIAL GOVERNMENT BV HIS EXCELLENCY THE GOVERNOR-GENERAL, CANADA MAV 1879. The President and Council of the Canadian Institute (Toronto) having memonali/cd His Excellency the Governor-General of Canada respecting the accompanying ])apers, with the special object of detei- nmnng a Fuist ok Puimk Mehidian to be Common to all Nations and promoting the adoption of a Univkrsal Sy.sTEM of Time-Reck' ONiNC), a'.lapted to the requirements of modern progress : _ His Excellency the Governor-General, in view of the important international interests involved, has been graciously pleased to brin- the subject under the notice of the Impei-ial Government, in order that the attention of the official and scientitic authorities of Great Britain and of foreign counti ie.s may Ijh directed to it. The oeograi)hical circumstances of this country invest the (uiestion with special interest to the people of Canada, and the peculiar politi- cal status of the Dominion may in some respects enable the repre- sentatives of Canadian science to mediate, especially between their scientilic brethren, in the varioiis countries more immediately inter- ested m the questions at issue. The Council of the Canadian Insti- tute will be glad to receive, and to transmit to all the scientific bodifs with which they interchange publications, any communications which may be made to them ; and ith the view of promoting the objects aimed at, will be happy to collate all comments, suggestions, or ex- ])ressious of opinion with which they may be favoured. R. RAMSAY WRIGHT, Twi'outi), May, 1S79, , 30 UNIVKRSAL OR COSMIC TIME. I'UOFKSSOR 11. RAMSAY WllIGHT, SF.ORETAKY OF THE CANA- l^IAN INSTITUTE, TO HIS EXCELLENCY THE GOVERNOR- (UONERAL, CANADA. Caxaoian Iss'iiTU'iE, TORONTO, June 24th, 187l>. Thi' Secirtari/ of Hia Excellency the Governor-Gfneral, OtlavM. {;;„( -.Referring to tlie pnpcrs on Tinio-rfckoning and the solection (,f :i Co'innon Moridiuu, which His ExceUency has been pleased to bring luide)- the notice of the Imperial Government, in order that tlip attention of the Scientific and other authorities of various countries may be directed to the subject, I now beg to forward to you aA. TO SIR M. E. HICKS-BEACH, COLONiIl SECKETAIiY, LOXDOX. ^^''' ^^'*-- Ottawa. July 12tl., 1S79. Sir,— With reference to my despatcli No. 147, of the 21st Mav last transmitting a copy of a pamphlet, entitled " Time-reckonin^ and the Establishment of a Prime Meridian," I have the honour to torward iierewith a further communication, June 24t]i, 1879 from the Canadian Institute at Toronto, concerning additional copies of the papers in question, and requesting that they may be distributed in accordance with the list apj)ended. If you see no objections I should be much obliged if you would kindly give effect to the wishes of the Institute. I have, etc., Sir M. E. Hicks-Bkach, &c.. &c. LORXE. SIR M. E. HICKS-BEACH, COLONIAL SECRETARY, LONDON TO THE MARQUIS OF LORNE, GOVERNOR-GENERAL, CANADA [Canada, No. 342.] Downing Street, 15th October, 1879. My Lord,— In my despatch, No. 173, of the 11th of June I acknowledged the receij)t of your despatch, No. 147 of the •'>lst'of May inclosing a Memorial from the Canadian Institute of Toronto toge^aier with a Pamphlet, entitled " Time Reckoning and the Estab' lishment of a Prime Meric/ ni," which the memoralists desired to be brought to the notice of Her Majesty's Government as well as of fecientifac Societies in Great Britain, and to be submitted also for the consideration of the Governments of Foreign Powers. 2. I have now to acknowledge your later despatch, No. 174 of the 12th of July, inclosing a further communication from the Can- adian Institute, forwarding addicional copies of the Pamphlet whicji they request may be distributed in accordance with a list thereto appended. 3. It has been the custom of Her Majesty's Government to abstain from interfering with recognized usages in questions of social impc-t- ance until the spontaneous use of any novel system that may be in- troduced in such matters has become so extensive as to make it desirable that authoritative regulations should be sanctioned with regard to it, and it does not appear that such a condition of affairs in reference to the subjects of the Memorial has yet arisen. 4. It appears, however, that the memorialists consider it desirable that their views on the question should be extensively ventilated, and in accoidanco with their application, I have forwarded the Pamphlets which they have transmitted, t'^ the scientific societies named in the list, and I will also request the Secretary of State for Foreifrn Affairs 3 " 32 UNIVERSAL OR COSMIC TIME. to transmit copies of the Pamplilet to the Ropresentntivos of Foreign Countries, us desired, and to intimate to tliem that 1 shall he happy to forwax'd to the Canadian Institute any communications which may be sent in reply from any Foreign Scientific Institutions to which they may be forwarded, but it must be distinctly understood that Her Majesty's Government are merely transmitting these i)aj)ers out of courtesy to a Scientific Institution in Canada, and that in doing so, thev lend no sup[)ort to, and assume no responsibility for the views advocated therein. I have, &c., &c., M. E. HICKS-BEACH. Governor-General, Tlie Kight Hon. The Marquis of Lome, K.T., G.C.M.G., &c. SIR M. E. HICKS-BEACH, COLONIAL SECRETARY, LONDON, TO THE MARQUIS OF LORNE, (iOVERNOR-GENERAL, CANADA. [Canala, 343.] D.)\vning Street, 17th October, 1879. My Lord, — With refei'ence to my despatch, No. 342, of the l.'ith instant, relating to the pamphlet on ''Time Reckoning and the Selection of a Common Mei-idian," which the Canadian Institute of Toronto has desired to have brought before the notice of various Scientific Societies and of Foreign Governments, I have the honour to transmit to you the accompanying copies of letters received from the Admiralty and from certain of the scientific bodies to whom copies of the Pamphlet were forwarded, in accordance with the wish ex- pressed in your despatch. No. 174, of the 12th of July last. I request that these documents may be forwarded for the inform- ation of the Canadian Institute of Toronto. I have, &c., &c., M. E. HICKS-BEACH. Governor-General, The Right Hon. The Marquis of Lome, K.T., G.C.M.G., &c. ■ SIR G. B. AIRY, ASTRONOMER ROYAL, GREENWICH, TO THE SEC- RETARY OF STATE FOR THE COLONIES. (PORTINSCALE, KeSWICK), Royal Observ.uorv, Greenwich, 18th June, 1879. Sir, — I have the honour to acknowledge your letter of June 13th, transmitting to me copy of a ^lemorial, undated, from the Council of the Canadian Institute of Toronto to the Governor-General of Canada, together with a Pamphlet by Mr. Sandford Fleuiing, which I return herewith, and requesting my observations or suggestions on these documents. I respectfully offer the following remai'ks : 1. The subject of the Pamphlet is " Time Reckoning and a Prime Meridian common to all Nations," on this matter I advance : First, SUPPLEMEXTARY PAPERS. 33 that in all countries in which hours aro known, the origin of those hours 13, approximately, the mean time ot" local noon. Tiiere must thus be introducer! a degree of confusion, which the ordinary sense of man- kind, by maintaining (in adjustments of public clocks, &,c.,) the same mean origin within definite limits, and well defined differences between the indications in territories of other definite limits, has effectually met. Thus the difference between England and Ireland has been fairly met by a difference of 25'" (which would better have been 30'") between the indications of the public clocks. It is, I believe, certain that this is not the result of legislation, it appears to be merely the result of common sense, guided perhaps by a single personal influence. At Basle (possibly in like manner at other stations) the great systems of the French Railways meet, and there the times in the French States and the German States (I suppose Paris time and Berlin time), are exhibited aide by side, and there can be no confusion or difficulty. In the case of the railway from New York to San Francisco, it is merely necessary to frame tiie Westward train-bills and guard's wafc^wjii to New York time, and the Eastward train-bills and guard's watches to San Francisco time, with double clocks at every station, naturally there must be a re-adjustraent of watches at the end of the journey. Thus, adopting as incontrovertible the idea that every district will refer to visible noon for the origin of its own time, and remarking the extreme facility with which those origins can be linked together, I set not the slightest value on the remarks extending through the early parts of Mr. Fleming's paper. Secondly, as to the need of a Prime Meridian, no practical man ever wants such a thing. If a Prime Meridian were to be adopted, it must be that of Greenwich, for the navigation of almost the whole world depends on calculations founded on that of Greenwich. Nearly all navigation is based on the Nautical Almanac, which is based on Greenwich observations and referred to Greenwich Meridian, and the number of Nautical Almanacs sold annually exceeds, I believe, 32,000 (see the Navy Estimates). But I, as Superintendent of the Greenwich Observatory, entirely repudiate the idea of founding any claim on this. Let Green- wich do her best to maintain her high position in admiuisterin>«- to the longitude of the world, and Nautical Almanacs do their best, and we will unite our efforts without special claim to the fictitious honour of a Prime Meridian.* For the mere expression of longitudes, witli the limitation that longitude is not to exceed 180° East or West, Greenwich is not inconvenient. But every such consideration yields to historical or other circumstances. Thus, as regards California civilization and time-reckoning (in the count of days of a month) The orij4;n of Gioenwicli Observatory is curious. A Frenchman had a correct idea that longitude at sea might be determined by observations of the m(X)n. He was not received by Louis XIV., but procured introduction to tlie Uudiess of Portsmouth, wlio placed his scheme before Cliarlcs II. and his brother James, both al)le men in some resi)eots. Tlioy adopted it in esscutials, and Greenwich Observatory was founded. The moon is still the most important object of the Greenwich Observatory, i 34 UKIVERSAL OR COSMIC TIME. woro first carried oastwai'illy fi'oiii Enropo to CHiifornia, tlirou<,'li tlie Capo of Good Hopt! and Iiulia (by t\w JcHiiit Missionaries). Wlien the United States adviincr-d westwardly, they who had taken tlieir count westwardly from Europe found one day's ditl'erence, Tlie United States liave gained tlie victory in tlie States. I know not whether the Missions have changed, [t is said that the Pliilii»piui' Islands are still in an anomalous position. 2. As regards tho construction of clock-faces proi)osed V)y Mr. Fleming to meet the supi)0sed dithcidties, I do not believe that they would over l)e ado|)t(Ml or used. If they were exposeil in shops, I do not suppose that one would be solil. 3. I do iiot understand, from the terms of the Toronto Memorial, what steps the memorialists wish the Government to take, excejt " perhaps to direct the attention of official and scientific authorities in " Great Britain, and of Foreign Governments, to it." I do not imagine that Her ^Ntaiesty's Government are inclined, mero motu, to undertake this re..ponsibility. 4. As far as I can understand the usual policy of the British Government in social matters, it has been, to adopt the general sense of the nation in the broad features of any such arrangements, and to give to them that accuracy and uniformity which only a Government can give. Among other matters, I am officially cognizant of the laws and regulations respecting standards of length, weight and capacity, and I believe that the system secured by the policy which I mention is most excellent. The same may be said in regard to Bills of Ex" change. Cheques, &c., where rules, suggested by usage, have been ado[>ted and legalized by the Government. 5. I would suggest for consideration, that an answer be given nearly of the following tenor : That Her Majesty's Government, recognizing in some degree the inconveniences described by the memorialists, are not able at ])resent to comj)are with them the possible inconvenience which might arise from the interference of Governme.nt in such a matter. That it has been the custom of Her Majesty's Government to abstain from interfering to introduce novel- ties in any question of social usage, until the spontaneous rise of such novelties has become so extensive as to make it desirable that regu- lations should be sanctioned by superior authority. That it does not appear that such extensive spontaneous call in reference to the sub- jects of the Memorial, has yet arisen. That it appears desirable that the question should be extensively ventilated b}^ the memorialists, and should be submitted by them to the })rincipal Geographical and Hydrographical bodies, including ({»erha])s with others) the lloyal Geographical Society, and the Dock Trustees or other commercial bodies, at London, Ijiverpool and Glasgow. I have, &c., G. B. AIRY. The Right Hon. The Secretary of State for the Colonies, &c. • ■ V 1 SUPPLEMENTARY PAPKIIS. 30 PROFESSOR PTAZZI SMYTH, ASTRONO^IKR ROYAL FOR SCOTLAND, TO THFO COLONIAL ()FFI(;E, LONDOxV. ROYAI. OnsERVATORY, ElUNBt'Ron, Aug. 30, 1879. Sir, — I Iiiivo tlifi honour to acknowledgo the receipt of your letter of "Augnnt" 30, 1879, transmittinj; to me copies of a Cunadian pamphlet on " Tin»e Reckoning; and the selection of a common Meri- dian," and intimating that Sir Michael Hicks-Beach will be so obliging as to transmit to Canada, through the Governor-General of the Dominion, any observations which I may have to make on the subject. I gladly accept Sir Michael Hicks'Beach's obliging offer, and will speedily send a letter for such desirable transmission. I am, &c., &e., PIAZZI SMYTH, Astronomer-Royal for Scotland. To Edward Wingfield, Esq., Colonial Office, Whitehall, London. PROFESSOR PIAZZI SMYTH, ASTRONOMER ROYAL FOR SCOTLAND, TO THE COLONIAL OFFICE, LONDON, Royal Observatory, Edinburgh, Sept. 5th, 2879. SfR, — In further answer to your letter of " August" I have now the pleasure of sending you my remarks on the Time-reckoning Pam- phlet transmitted by the Governor-General of the Dominion, and re- quest you to be so good as to present them to Sir Michael Hicks Beach for his obliging promise to be so good as to forward them to the Secretary of the Canadian Institute through the Governor- General of the Dominion. I am, &c. &c., PIAZZI SMYTH, -Astronomer- Royal for Scotland. To Edward Wiugtield, Esq, Colonial Office, Downing Street, London. Royal Observatory, Emnbukgh, Sept. 5th, 1879. Remarks on Mr. Sandford Fleming's papers on Time Reckon- ing and the selection of a Prime Meridian : — These papers, transmitted now through the Governor-General of the Dominion, are before me for the secord time; for they were sent first for an opinion, to be addressed to their author, many months ago by a mutual friend in Halifa-x:, Nova Scotia. I praised them then for their good intentions on a matter of daily-growing impor- tance to mankind, but condemned them for the want of practicality and the unadvisableness of che particular method proposed to be em- ployed ; and my opinion is still very much the same. 36 UNIVERSAL OR COSMIC TIMK No matter what bpautifully-writteii schomes any few very leniiied men may propose in tlieii" closets, the workl at hirge, wlio gain their daily bread by toil of some kind or another, will insist on having, observing, or arranging their working days mainly according to the Sun. in their own locality or Meridian. Local time will never there- fore be dispensed with amongst mivnkind at large. And when, for the convenience chiefly of the travelling portion of the community, the local time of one has to be compared ' ith the local time of many other places, and can be accomplished most easily by one of them being considered superior to, and made the Prime of, the others, the Meridian locality of the greatest number of mankind is certain to be most regard' 1. and "will assuredly i)revail, and become the chief of all, as any o})inion of a majority invariably in the end overcomes that of a Diinority. Yet Mr. S. F's proposed Prime Meridian for all mankind is in a part of the world where there are either no inhabi- tants at all. or, if a fe* '^o reside near one end of the line, they are u miserable driblet of Vs'rotoi<< ^ Kamschatkan savages, prowling with dilhculty for food ove, 'v;ov wildernesses under the doubtful rule of Russia ! Mr. Sandford Fleming seems to know poifectly well that in making such a proposition he is runnii'^ full tilt against common sense and uni- versal experience. But then he urges the plea of national jealousies being aroused if the Prime Meridian were to pass through the coun- try of one powerful European nation more conveniently for its in- habitants than for those of another ; so he does them all equally a mischief by making his Meridian convenient to no one ; and proudly holds that the grand object now of advances civilization is to consult in everything the utmost development of inter-nationality, or the breaking down of all the ancient bounds which have hitherto divided one nation from another, and in fact formed them into nations. But, pray, wiio originally made the nations, God or Satan ] Really one would almost think the latter, when certain modern politicians are so perpetually urging upon their countrymen the })ropriety, nay the very virtue of their doing all they can to destroy those primeval distinctions, and remove them from the face of the earth. Yet the Bible, which in this country we all profess to believe, tells us in language perfectly unmistakable, that the nations were a directly Divine institution, enacted by God himself ; wherefore, woe indeed to whoever attempts to abolish their distinctions. Some men, no doubt, have tried, but then who, and what manner of persons were they 1 Chiefly members of the dread International Commune which tran- scends all mere radical politicians in seeking even by blood and tire to destroy most completely the nations, and to form all mankind into one vast, headless society. And that said Commune is utterly atheistic, without any notion of a God. SUPPLEMENTARY PAPERS. 37 Just as Its parent predecessor, the first French Revolution, after killing otF Franco's Royal Family invited others to do the same \vhile they publicly proclaimed there was no God, declared the Bible to be only an invention of the priests, and claimed the whole earth as the possession of Communistic man, Avithout any superior over lum for evermore. But whatever other nations may choose to do, the bulk of the British nation, because it believes the Bible to be the insjnred word of God, and obeys Bible teaching, will never be guiltv of anything after that Communistic sort, and will never seek 'to de- stroy either its Royal Family or its national weights and measures divinely given to the orir/ines of its race as an historic heir-loom in the mysterious beginning of time, and in antiquity vastly more re- mote as well as sublime than any of the names quoted by Mr. Sandford Fleminsr. Hence the British nation will be under no perplexity on this abstract subject of time-keeping, though some of its requirements do crop up more and more conspicuously as the world grows older, and the fulness of the Gentiles begins to come in. FoV, if the nation does really desire to continue to run in the national paths prepared for it Ijy God, and as they may be read off now with increasing dis ■ tinctness in the sure word of prophecy, it has only to consider "what Prime Meridian will best suit its own people, wherever they congre- gate in the greatest numbers. And it lias something of that kind to consider and legislate for at the j)resent moment, as thus : On the very same principle that for two centuries past, the British have held their Prime Meridian to be that which passes through England, London, Greenwich ; so now in tliis present age, when the hundreds of millions of living souls of India have been given us by Providence for f-llow-subjects, the Prime Meridian of the whole nation should, in fairness and justice, be removed from Greenwich, not westward, but eastward. And if the question he next raised, " how far," then due regard to numbers, climate and geographical aptitudes for British life, manufactures and commerce as over-ruled and directed by the only true religion, bring us to the general Meridian of Egypt. And in Egypt more particularly and precisely to the exact Meridian line of that both anfr and anti Egyptian Monument alluded to by Isaiah, viz., the great Pyramid. For that is the pillar " matzaybah," announced by the Messianic Prophet as destined to come forth in the latter day as a sign and a witness to the Lord of Hosts ; and it is now found by scientific er^amination, and weights and measures, proof to contain, conformably with the Bible, religious and prophetic testimony of its own, from before the beginning of any of the nations, to the glorious future of the Anglo- Saxon people, American as well as British. But only for just so long as they obey God in the national paths and within the national bounds which He, with omniscient knowledge of the future through 38 UNIVRRSAL OR COSMIC TIME. all its "times and seasons," appointed to them of old, for purposes of His own, in the government of this world, now comparatively near establishment, according to all the more chronological of the Prophets both of the Old and New Testaments. PIAZZI SMYTH, Astronomer Royal for Scotland. • ■ THE LORDS COMMISSIOXERS OF THE ADMIRALTY TO THE SEC- RETARY OF STATE FOR THE COLONIES. AroiiRALTV, 4th October, 1879. Sir,— With reference to your letter of the 28th of August, cover- ing a Pamphlet advocating the establishment of a Prime Meridian, that should be common to all nations, I am commanded by my Lords <- ommissioners of the Admiralty to acquaint vou, for the information ot the Secretary of State tor the Colonies, that it does not appear to their Lordships that there is a sufficient demand by the public to justity Her Majesty's Government in attempting to change the existing practi <>, and that before seriously consii'ering the question they would be glad to learn that it had been more extensively dis^-: 3d among the geographical and nautical bodies who are more int^iOsted in it. I am, &c., Ti, TT , c, ROBERT HALL. Ihe Lnder-Secretary of State, Colonial Office. SIR M. E. HICKS-BEACH, COLONIAL SECRETARY, LONDON TO THE MARQUIS OF LORNE, GOVERNOR-GENERAL, CANADA. (Canada, No. .367.) Downing Street, I3th November, 1879. My LoRD.—With reference to my despatch No. 343, of the ITtli ultimo, enclosing copies of letters received from the Admiralty and certain scientific bodies respecting the ])amphlet entitled " Time- Keckoning and the establishment of a Prime Meridian," I have the honour to transmit to you a copy of a further communication on the subject from the Pvoyal Society. I request that this pai.er may be forwarded for the information of the Institute at Toronto. I have, &c. Governor-General, The Right Hon. the Maniuia of Lorne, K.T., Ci.C.M.G M. E. HICKS-REACH. T SUPPLKMKNTARY PAPERS. 39 THE SECRETARY OF THE ROYAL SOCIKTY, LONDON. TO THE COLONIAL OFFICE. ^ ^aiu The Royal Society, Bukl.noto.v House, November 6th, 1879 cop^orJlTtll^!' ^Z ^t'' ^'"'"'^ "^'^' ^"S"^*' ^«70, enclosing roil Ifn T *^'' ^f^-etHiy of the Canadian Institute, To Pr"m;Me irZTll \^r^^'^'^'' '''^''''''' *^ the establishment of a i-rime Meuchan that shall be common to all nations, I am directed to offer the following observations :_ uueccea The President and Council of the Royal Society have taken into consideration the proposals of Mr. Sandfcrd Fleming lelatL o Time-reckoning and to the establishment of a Prime Meridian which were forwarded by the Council of the CanadiaiT InSte wTth a iTe^'ln' "f" ^^".""7 '''' ^ov3rnor-Gene;ai;Tcan:da ^'' ' svlm of Pn 'T 'n?-^ two parts-(l) The establishment of a system of Cosmopolitan Time, with plans for the ready passage from this to apprcximate local Time. (2) The choice of a"^ Primf Med- dian which should be common to all nations conTmort''o'^Sf.r' '^.r • ^''*'"1 "^ Time-reckoning which should be obWortt f r^ 1 easily seen; while at the same time it is be melfnf , ?', '' '''^T''^ ^' ^^ all generally used, there must nes^dtTife ' '' intimately bound up with the daily busi- devTsed'"TllTS!""!r''''^ ^/ *^'" ""*^^"^' "^'^ «^"Vle and seem well devised. The difficulty is, of course, to in,.»|— 40 UNIVERSAL Oil COSMIC TIME. MEMORANDUM BY DR. DANIEL WILSON, PRESIDENT OE THE CANADIAN INSTITUTE, FOll TRANSMISSION WITH THE SECOND ISSUE OF MR. SANDFOIH) FLEMINC'S PAPERS BY HIS EXCELLENCY THE GOVERNOR-GENERAL TO THE IMPERIAL GOYERNMENT, APRIL 5th, 1880. Although the subject discussed in the ficcoiniianying papers has not hitherto attracted general attention, it has to some extent met with cousideiMtion in various (juarters, and it is probable that at no distant day public interest will be awakened to its importance. Uniform time has long been employed for scientific purposes ; it has been used in recording simultaneous magnetic observations,' in- geogra])hical and astronomical calculations, in observing the move- ment of tides, the track of meteors, the waves of earthquakes, and in systematically recording meteorologictd phenomena. It is only of late years that the rapidity of communications by Railway, and the facilities afforded by the Telegraph, have created new conditions which suggest and seem to demand some general sys- tem of uniformity in reckoning Time in tlie ordinary occupations of life. ' ^ ^ Those whose avocations luring them in contact with the inconve- niences and complications which arise from our present notation, feel that the necessity of some improvement will before lon^r become absolute. ° The question is recognized to be cosmopolitan in its character ; and although everywhere the difficulty may in som- degree be felt,' it is on_ the American Continent, in Canada and the United States,' that it is rapidly gaining marked prominence. A large amount of capital has been expended by the Dominion of Canada in the establishment of railways and telegraph lines, and the Government is now appropriating one hundrcil millions of ilollars towards their construction to the Pacific Ocean. In a few years the railways proposed will l)e completed, and tliey will extend over 75 degrees of longitude. The various clocks in the intervening ilistances, by which the lines will be oi)erated, and the ordinary })usiness of daily life carried on, will, under the present svs- tem ot reckoning Time, diff(-r from point to point, until the maximum difference of about five hours is reached. Accordinglv the geo«n-a- phical extent of territory, and the general advancement of °the Dominion of Canada, i)oint to the necessity, at no remote i)eriod, of seeking for some change in the present system of reckoning Time.' The territory of the United. States of America extends from East- port 111 Maine to the western confines of Alaska, localities differino in longitude 100 degrees ; in tiuie, 6 hours and iO minutes. Between SUPPLEJIEXTARY PAPERS. 41 IMiiine and tlie Pacific States of Washington, Oregon and California, tlit,' (litTercnce in time is nearly 4 hours. Tlie railway system is de- veloping in a marvellous manner in the United States ;' the popula- tion is ten times that of Canada. If, therefore, the question of Time-reckoning claims attention in tlie Dominion, the necessity of its earnest consideration iu the United States is still more manifest. _ The American Metrological Society has had the subject under con- sideration. A careful report has been prepared, setting forth the necessity for change, and advocating uniformity and accuracy in the system of time-reckoning. From this report it appears that there are no less than seventy-tive distinct local time Standards used by the Railways of the country, all differing the one from the other, the greatest difference reaching 3 hours and 58 minutes. The most 2>rominent Railway managers have been consulted, and with the ex- ception of _a small minority, they have placed on record the opinion that " a uniform Time " would not only be a great convenience to the public and to the Railway emploj^ees, but would materially lessen the risk of accidents. It is accordingly strongly recommended that some means be taken to establish an absolute uniformity of Time throu, United States, of Time corresponding with the Meridian situated six hours to the west of Greenwich. The Metro- logical Society admits in principle the desirability in the future that an uniform Time should be introduced over all the globe and it pro nounces itself in favour of the Time leckoned from the Meridian situated 180° from that of Greenwich. ' The memoir by Mr. Fleming, supported in his conclusions by the Canadian Institute of Toronto, is of a more general character It proposes directly the adoption o*" the Meridian, situated at 180° from Greenwich, as Prime Meridian for the whole globe, and the introduc- tion of a Standard Time, reckoned from this Meridian, for the use of science and for certain purposes for use also in every-day life This Time might be called Cosmopolitan Time to distinguish it from local Time, and his memoir presents different propositions in view of facili- tating Its general introduction. Nevertheless the arguments in fa- vour of its universal introduction are merely stated in the said me- moir as suggestions which may attract the attention of the world on this important question and lead to ulterior discussions. For the mo- xnent the author of this paper desires only to get from competent au- 46 UNIVERSAL OR COSMIC TIME. thoritie.s of diffeiont countries a i'esi)onsp to the two following qdos- tions : — 1st. Does the Time zero, or Prime Meridian, jjroposod in ♦^^he me- moir, appear suitable anil of a nature to be adojjt^d by all civilized nations I 2nd. If the Prime jVIeridian proposed give rise to serious oly'ec- tions, would there be any other Meridian better qualitied, and which would have more chance of being adoptetl by all the world ? Particular circumstances have singularly enabled the writer of this report to offer an answer to the first of these (piestions. Nearly ten years ago, at the desire of our illustrious President, the question of a Prime Meridian was made my si)ecial study ; the results of which were given in a discourse, delivered on the' 4th February, 1870, at the Geograi)hical Society of Pvussia. ( )u this occasion I discussed the question solely from a geogra|)hical point of view, specially con- sidering the interests of hydrography and navigation. On this point the simjilest solution seemed to me to adopt as Prime Meridian that of Greenwich, which in this case would ujiite the ma- jority of voices. The preference given to this ]\[eridian wns bused, on one side, on the historical right of the Royal Observatory of Eng- land, acquired by eminent services rendered by this establishment during the course of two centuries to mathematical geogra})liy and navigation, on the other hand, considering that the great majority of charts now in use upon all the seas are made according to this Meri- dian, and about 90 per cent, of the navigators of long-standing are accuston:ed to take their longitudes from this Meridian. However, an objectioii against this proposition is that the Meridian of Green- wich passes through two countries of Europe, and thus thp longitudes would be reckoned by different signs in different portion; of our own continent, and also of Africa. Moi-eover, the close proximity of the Meridian of Paris, to which, pou-haps, some French geographers and navigators of other nations would still hold, from custom, from a spirit of contradiction or from national rivalry, and which miMit easily cause sad disasters. To obviate these inconveniences I have proposed to choose as Prime Meridian anothei- Meridian situated at an integral number of hours east or west of Greenwich, and anion<^ the Meridians meeting this condition I have indicated in the first place the Meridian proposed to-day by scientific Americans as that which would combine the most favourable conditions for its adoption. Thus the Meridian, situated 180° from Greenwich, presents the following advantages : — 1. It does not cross any continent but the eastern extremity of the North of Asia, inhabited by peo})le very few in num- ber, and little civilized, called Tschouktscliies. ».. i si;ppr.EMi:\TA!!v paprhh. 4. Jt r)i' 11 -. Itco.aci.lesoxactly with that, ^vI,el•o, after the custom iutro- ce r-rsa. In the^Ameriean Nautical Almanac; there would he no other change to introduce. Witli a cos- niopohtau s|)irit, and in the just appreciation of a general want, the excellent ephemerides, ].ul)lished at \Vashmints which awaken a desire for further investigation. The.se sug- gestions se;.m very wise. The ideas concerning the introduction of'. <-onimon J.me in all countries probablv will yet take time to ripen ••lud some propositions set forHi by Mr. Fleming will meet ,)erhaps with insurmountal>le difliculties in the h.abits and interests of several countries. To my mind, the most serious obstacle consists in the tact that there is no means of indicating Cosmopolitan Time in difl\.r- eut parts of the world, while the rising and setting of the sun are the phenon- ma which, we know, regulate the everv-day occui.m- tionsof he-,, in life. But the question presents itself in another way, when it affects only the sciences. Without doubt in some sci- ences, for example, astronomy, meteorology, phvsical geography anrl questions requiring an exact detenu inatiou of tin le. • II 48 rNIVIMlSAL OR COSMIC TKME. tlie adoption uiiiwrsally of oiio Ti and niii,'lit ho easily flliMittMl. It would nie would l)e a valiialilo advanti i<:<- u numljvU" oH diliiiMiltios. Wo save much time imd remove scieniitio questions the usa«'t! of a local ti nuiKt. however, own that in otlit r nie iM rel'eiencf! to the i".,iin^ and settin.i,' of th(^ sun would ho pi-efctrahle. Kor the present it would ho. well : J cMiHid.M- at what point the introduction of Cosiuj- ])oiiian Time in the sciences would he opportune. The unirersal acceptiince of another idea set forth hy i\lr. F]eniiu:.( would prohably meet with few ohstacK-s. and its ^'eneral introdiictiou is lecommended. In the opening pages of his memoir ho makes the following remarks • — "The division of the day into two halves, each containing 12 " hours, is a fertile source ot error and inconvenience. This " division ha.s been long in use, but apart from its antiquitv " there is notliing to recommend it, and its use does not confer " any henetit to man." Permit me to say that I partake entirely of his views. For this reason I wish i)articularly to draw the attention of the Academy to thorn, -^ The division of the day into two halves seems to have slipi)ed into common use without any sufilcient reason. In consequence of the inconveniences it causes it is desii'able that it should he replaced hv the simple division of the day into 24 houis. The example of the Italians and some other nations, where this simple division is adhere i to until this century, proves that its general adoption would not nic v with serious dilKculties. To my idea the Academy would remler a great service to tiso world if it supported this proposed change. In conclusion, I take the liberty of (sending, on tlie p.');* of the Academy, two Russian papers read at the Geographical fer-r ty of Russia in 1870, which might hoof interest to the Canadian Insti- tute at Toronto, and to the American Metrological Society at Wasli- ington. 30 September, 18S0. OTTO STRUVE. ( ■ SrPPLK.MENIA.'tV I-APEHS. 41) UKMARKS OX A UNIVKRSAL I'KIMK MKIMDIAX. UV DOX JUAN PASTORIX, UKi;T.-(;OMMAM>K!lUt' THi: Si'ANJSlI NAVY. Transmiftcd hi/ the liritlsh Afhrntn' ,U M,ulru( t/roiiiih ffw Coluuinl Offlrc Inji/rs. )>.itrh, l.lth March, ISS.J, to Ills lur-vllmrtj the (lor,'r„or-aeneral. ' Th- romiHuiiirn/lon ii in ihi- f arm of' a prr/arr fi, n frniis/atinn and tr-pithUcntUn III //h' S/.iiiihh law/iiat/p, at the office "fIiei'Un-ae„id ii common Prune Meridian, uu'j- Uiikcd htj the (Jauadiim Institute ( Toroittu). (TKAilLATlON.) It has always seemed to me very lanieiital)Io that there shouhl exist such a multiplicity of Meridians, and, while in the classes oi" th(i Naval Collei^o I could not understand why the unscientific plu- rality of our reckonini,'s of longitude, < mdenin'od openly by both the Professors and the books we studied, s Mdd be persisted in. Spain iias counted the longitude from the ^\ , Han of the Straits of Gib- raltar, Toledo, the ancient College of ine Guardo de Gadiz, Sau Fernando (in two different citations th ,se of the two observatorie i, t!ie ancient one and the present one), Ferrol, C^artiigena, Plaza .Mayor of Madrid, observatory ot the same cai)ital, Goimbra, Li-- bon (in three distinct places corresjionding to the successive observa- tories), the Cathedral of Manilla, tiie Island of Hierro (in different points, some doubtful)— and, to-day, it is [)roposed heedlessly to giv.; another Meridian of refenuice. Tlie marine authorities of the most ad\ auced countries of the world rount the time by Greenwich, Paris, San Fern;indo, Na[)les, Chris- tiania. Island of Hierro, Pulkova, Stockholm, Lisbon, Copenhagen, liio de Janeiro ; and I do not cite Washington because the authori- ties of the great Kapublic of Nortli Anun-ica, setting aside small ideas and national jealousy, use for the purposes of navigation the time of Greenwich. It is therefore a natural consequence that the geo;?rapher in exam- ining different charts and in reducing one Meridian to another, finds himself surrounded with difficulties, and in some cases impossibili- ties, for the reduction is impracticable on maps not arranged upoii tiie Mercator projection. Why should there be this intolerable multii)licity 1 • Several times it has been attempted to do away with it, but with- out success. In 1869, Spain ajjpointed a Conmiission to propose rules respecting our maps and charts; but notwithstanding the com- petency of the individuals who composed it,-'' the Commission ceased its labours without even giving a reason why nothing had been done. International Congresses have met in Antwer[) and in Paris, but have not come to any decision respecting geograjdiical maps; nor are Tlie Coimnission was composed of Jose Einilio de Ssntos. Kr uicisuo de Paula Slaniuej.. FraiiKisco Chacou y Orta, Antonio Aquilary Vtla, Carlos Wyximz, Eduardo Beuoi aud Jose Morer. ■•I 50 UNIVERSAL OR COSMIC TIME. there any signs of any attention being i)aid to tlio r((Solution adopted in Antwerp, where it was agreed tliat in maritime charts tlie Meri- dian of Greenwich shonld be nsed. Custom so enslaves common sense tliat we admit as natnral, things whicli ai-e most ridiculous, and we avf not even i)rompted io smile at the al)surdity. Tims here in I\Iadrid we receive telegraphic despatches from the Philipine Islands hours, and sometimes even the day |.revious to that on which the eveiits refen-ed to therein have taken place. The same happens in England respecting the des])atches fron\ Australia. I remeiiiber an e.Kample in point; at three in the morning of the 1st October, 1880, they received in London the news of the opening of the Universal Exhibition at Melbourne at one o'clock in the afternoon of that day. What argument is advanced for the continuation of a state of things which becomes more and more indefensible ( I confess I have never seen one plausible reason given for the pre- sent system. Antiquity is the claim made by those who favor tht; Meridian of Tenerilfe and Hierro. The security of direct observation is the boast of the partisans of each Mei'idiiin held by their })ai-ticular observatory. The division of the continents into two hemispheres is advocated by those whose sympathies are with the same JMeridian of Hierro. or wnth the Meridians contiguous to Behiing Strait, as th« initial circle would result in being anti-meridians of GreeJiwich, Christiania, Naples and Paris. The great Laplace has said : '-It is desira])le that all the nations of Europe, in place of arranging geograjdiical longitude from their own observatories, should agree to dompute it from the iiame Meri- dian, one indicated by natur-; herself, in order to determine it for all time to come. Such an arrangement would introduce into the sci- ence of geography the same uniformity which is already enjoyed in the calendar and the arithmetic, and, extended to the numerous ob- jects of their mutual relations, would make of the diverse peoples one family only." Tlie disadvantages and confusion resulting from the multiplicity of the zeros of longitixde, are so great that the whole world ought to proclaim the necessity of one universal Meridian, Ijut still there are those who do not seem to recognize it. There are others who oppose the adoption of an international Meridian on the ground of the ditH- '•ulty of determining with absolute precision the difference of longi- tude between two places, althoiigh situated on the same continent, and in suppoi-t of their arguments they cite the discre[)ancies in the results of modern observatories as compared with ancient ones, although the former are made fi-om observatories so favourably situ- ated as those of Paris, Greenwich, Washington, ifec. •5L ^'twM SUPPLEMEXTAKY PAPERS. 51 Not being satisfied with the arguments against a universal Meri- dian, it can he imagined my SMrprise wlien it caine to my knowledge that a body of men so distinguislied and competent as the Geogra- phical Society of Madrid had recommended another Meridian passing by the Punta de la Orchilla, the extreme western end of the Island of Hierro. One more Meridian, when there were so many already ! Desirous of understanding the reasons which prompted the Society to adopt snch a resolution. I solicited the hononr of being allowed to enter into the subject. This was conceded to me, and while it was occupying my mind I came into jiossession of the very valuable docu- ments given to the light by the Canadian Institute, and which are the offspring of the clear intelligence of one of its most distinguished inembers, Mr. Sandford Fleming. So thoroughly Avas I convinced l)y the arguments of this eminent engineer, and so veiy practical did his system seem for the creation of a unifoi-m Time-reckoning for the whole world, that I resolved to translate his valuable paper into our language, with the view of founding upon it a proi)osition which I should ere this have pre- sented to the Geographical Society had not my time been wholly taken up by a S[)ecial Commission entrusted to me by His Excel- lency the Minister of Marine, Don Santiago, Duran of Lira, in con- nexion with the constant ditlerences which take place between our fishermen and those of Portugal on our southern coasts. The work which follows this preface is not, strictly speaking, a literal translation of the jmper of the distinguished member of The (Janadiau Institute, .ait I believe, nevertlieless, that I have most faithfully interpreted the thoughts of the wise academician, and also faithfully presented the essenti.d i)ass;iges of his work. If I have not done so, it has not been the fault of my good will. Will the ideas of the author ever be ndopted and put into prac- tice ? For my part, I think they will. The present system is inde- fensible, and it is only necessary to study the new method without prejudice, and think over the means proposed, to see their cleai-nps.s. Will there be found j»eople to find fault with the system I Undoubtedly ! Tiie ele^cti-ic telegraph was considered an impossi- bility half a century ago, and, to-day, the wires of this impossibility encircle our globe. JUAN PASTOR IX. Ayamoute, 30th Apiil, 1881. I t9 UNIVERSAL OR COSMIC TIME, THE GEOGRAPHICAL SOCIETY OF BEIILIX, ISSl. 7?''»ia)-Zw upon a N'ormal Tunc to he roinmon to the whole carih, and a Prime Meridian, to bt accepltd by all miliou.i, bij Dr. G'. V. Bojiuluics/d.* (TRANSLATION'. > During tlie last decade, the gigiintic development of railway and telegrapli conirnunication in the United States and the British j^osses- sions of North America, has in a marked nitumer caused the necessity to be felt of a common recognized system of Tim<*-reckoning throutto Struve, in accordance with a commission of this Academy in the meeting of Septertd^er, 1880^ has presented a report on both these papers, and on the propositions which tliey contain for the solution of the general question of a normal Time-reckoning and of a uni- versally observed first meridian, which, in connection with other remarks on the same question, we will allude to. The report of Mr. Cleveland Abbe chiefly examines the ])roblem from a local point of view. He sets forth the motives which have l>rovailod with the American Metrological Society, to accept a series (»f resolutions which, from the inq)eifections in'the ]n-esent svstem followed in the United States of America, have in view the removal of the inconveniences pi-oceeding from present practice of Time- reckoning, a ])ractice which, so to say by degrees and incidentally, has come into force, without taking any account of the necessities of the travelling public and the management of railways. One resolution only in the dissertation of Cleveland Abbe, is of a more wide-beai'ino- significance, viz., that which reconnnends to the government and to the public within the United States to refer the Time exclusively to a meridian 6 hours or !)0° west of Greenwich. The Metroloirical Society thus acce{)ts the principle that it is desiral)le that iifthe future a uniform central Time be introduced for the whole earth, and by this opportunity ex])resses itself in favour of the meridian ISO' from Greenwich as the fiist meridian. Vi'ihiiii.HimKi'U iler Cosillsclnn fur lii'ilkiiiuli-, y.n He.iliii. Hi'i'iiiisyeKclien iiii Aiiftfi.r, uuil -J Juli, isM, lii'iliii. " "" SUPPLEMENTARY PAPERS, 53 V'ii The di-iserfcation of Mi-. Sandtbrcl Fleming is of a more extended (iiUffumdtieren) character, and his pro|)ositions founded upon it, were sustained by the approval of the Canadian Institute, at Toronto, and it is this body, by the intervention of the British Government, wliicli has more widely circulated Fleming's paper. Fleming directly advo- cites the acceptance of the meridian 180° from Greenwich as the first Tueredian for the whole earth, and tJie univei'sal establishment of time reckoned upon this meridian for scientific purposes, and even for many of the relations of every day life. This time we may dis- tinguish as " Cosmopolitan Time," in distinction to local time, Fleming submits in his treatise different arguments in favour of the ujuversal introduction of this Cosmo[)olitan Time, indeed mostly in the form of more generally expressed ideas which direct attention to this weighty question, and which can serve as the star*-ing ])oint for a luore extended discussion. Above all things, he is desirous of obtain- ing fro!n competent prof- -sicnial u'len of all countries, definite answers to the following two qu< Jons .• 1. Does the Time-zero or Prime Meridian, proposed in the memoir, appear suitable and of a nature to l)e adopted by all civilized nations ] 2. If the Prime Meridian ]u'opo.sed give rise to serious objections would there be any other meridian bettei-qualitied. and whicli would have more chance of being adopted by all the world ] Special circumstances enable Herr Otto Struve to answer the first of these questions, since as early as the 4th February, 1870, y)efoi'(- the Geographical Society of St. Petersburg, he discussed the questions in connection with tlu; first meridian, and exclusively from the <.> ;'o- gi-aphical point of view, with which he specially connected the* interests of Cartography (maj) making and navigation). The simi»le.st solution seemed to him to be to take as a first meridian, that of Greenwich, Struve sustained this expressed preference on one side by the his- torical claim of the Observatory of Greenwich which it lias esta!)lished from two centuries of super-eminent service to the cause of mathe- matical geography and the interests of .shi})ping, and on the other hand from the consideration that the greater part of the present maps in use, especially sea-charts, are projected relatively to this uun-idiau of Greenwich, and that about ninety per cent, of seamen refer their longitudes to this meridian. But, indeed, according to Otto Struve, there is the circumstance which declares itself against the common establislunent of the meridian of Greenwich, as the first meridian, that it passes over three countries of Europe, Great Britain, France anil S[»ain, like\vis(i the continent of Africa, and that accordingly in dilforent parts of Europe and Africa the longitudes would have different descriptions east or west I' .■)4 UMVEHSAL OR (OSJIIC TIME. iVom GroPmvi.]. (or the siaus -f- or -) ^'^ Tl ^ . posed by Saudfonl Fleiiiiiio-" 18()0 f. /i ' ** "leridinn pro- '>:ed tribe, the Tschuktschen ^ ^ '' ^"* ^"^"^^^'o^'s and nncivil- sp';.c:^::2S:t::!s^:^t:^ni^^ ;r-^'^- -p- -^-^^^ the • '->^'e of a day's date won d TcemHrfv " ^^-f ' "^ ^^ •'=''^'-+ The « 'osmopolitan .Meridian. '-^^^oi^linft^y conicide with that of tJie 3. "It cliaiinres nothing in the pracfin^ f.f n ■ ■ '•'"1 gooo-rap],ers, witJi the excenth^ ortl ^^/f. "^'•^•l^^^^J ^^ «^«»^en K^0° to a]] hai.itudes *^^^^1'*^«" «1 tJie addition of ] 2 hours or ^^^t::'i::::lz z ::;::;s ^;:..n;;^r^"'^^^T f ^'^ ^'>^'--^^'- -^^.., except the ^.ple t^^X'^f ^ -^.^ti^dS^^^^^^ tants of alniost all civiliS . u k'^^^^^ ^'''' '"^''^''^'^^ ''v tl.e inhal,i- and nncertainties, nnde d^^^^^^^^^^ ^'^^move all misunderstandings .K>Htan.. Local warSjSr^r:^^:;;^'-^ l^pon these orounds Hp.-p Of^-. tt*. '. .;f St. Petersb,;^.,, i^ti^ ^ ^ t^:;:;;:;,:/ ^ ^^^^'-^ ^^ «-"- the^meridian 180° west of Greene i" I .7 ^(^^'"/"""""n acceptan.v Bj this opinion the seconT of pi -^'"'^ "'"'■^•''""• obtains its solution. ^^ Flennng's submitted questions With regard to the questions subn.itted bv Mr VI ■ • ,y<"neral foru., as u starting point for furtW 7 '^^'•.^^^'"">.^^ '" the -luction for all eountries^of a con Ln W r''-^'' '''' *'"^ ^='^'-^'- astronon^er ren.arks, that at pr^e t frin fi'' '""'"^ *''^ ^""^--^ iiPiiiilliiiiii ... o "'"^' '""iislii.'s cuii.se fur v.mt- .iat. twi.e over. *'" ^"^^'■"""^■1' 'l.tte, put Intrk its date a dav L ;"'' '" '"■"'•'■ a ua.v, iiius to iiuiiut t!lt) TJie .(greatest difficulty of bviDyiiiL' C SIPI'LI MENTAia- PAPERS. IH-p.spiits itself in the fact that as vet ..n,] . il- '^' ^f':^"^°]'»J^^='i^ 'i'i""" into certain relationsl.ip with tl^eTise and se tnjg of the sun in the different parts of the earth : ^ho a me ■ bu^L^s i!^"" ^'"^"""^ ^''''^^ ^^- ^"^^y a;oo:^^'of But if we consider this question in a scientific spirit, it follows tl a for some but not for all branches of sciences, for exanu.] f^.' Meteorology and Astronon.y and in part also for physical oestios o the earth and in general for all questions whid/are ft "tZ sue Ti ."""IT" f t'"' *^" ^°""^^^^ '^^-1^^--^ »f --■ - 'i V th H le tr ;; 't '"-1 ^''"' ^^^'^'^^^tages. and could be eflected with little difficulty. Besides, it would save much time and set aside a great extent of misunderstanding. ' in twr!!'^.*'' t''"lf" •''^'''^'/'' "'"'*''"^ *^^ fi^'«* P''^^^ iuvestii/ate n what 1 ehitionship the introduction of Cosmopolitan Time be o.mor- une for science, and for what scientific problims the .pplidtio of ^ind!c:;;r ^'^ ^^^^^^ *- ti. ^l .n, sett^g o^'thjt:;^::! The common acceptance of another proposition of Fleming's accord- ing to Struve, should meet with sligllt objection, and is to be reco esU Zl Vl "'-'^ 7'- •'" "' ^^'""^ '"'*^^1"'*3^' «^«1 "^ 'ts place to vt t le llV''t '^'■T'\ 1 ^-^ ^''''''' ■''' ^* P»-««'^* i« the case with the I ahans / .so i„deerinciple of a n.uversaliy accei.ted and undisputed measure of time freed from all d fferences of local tune. Equally for the starting point of Univei-sa line, lie considers the meridian the best suited il \>e the one ex!^^ ;4l;^h;:t:f^^:.!::;e;.;"^^ '' ^--^^^^-^ i^^o^^y.^.^., ( ■ Alsu tlio di'.y is (li\i(Kcl liy nslroiioiiicrs iiUo 24 hours. I f ! r.6 uxrvERSAL on cosmic time. ADDllESS AT THK IXTERJ^ATIONAI. VENICE, SEPTEMBER TIME AXD THE ADOP 2h DEOaRAPFirCAL COXGRESS ■'-. 1881, OX THE IlEfiirLATION liy Sandkord F f.RMlNTi 'lOX OF A PRIME MEUIDI OF IMorialP of th' Canndlnu Ii, AX men to all nations. Me.idmn an'""^'' *''- '•■u-th's surface extended nd dis T ? """ * ^'"^>^^'J^'l^'« of the -Jo,.tod newinitial m^ -.^^^I't? ?' ^'^^^'^Vhe.. arose, who trouble you with a recital of he \LV "t'^^'^^'^'T that I should the earliest period, lougi^l.^sl ,, rb^'^l'^r'V'^r "'''^'' ^'"^^ at this st.,ge to refer to%he fact hat to n- htr " f vYr '' '^"'"^""^^ have generally selected for starting p^I^^'^Z^ ?! ^'^^^""^^'^^ "^^^'«'^« known to them, and that -is -i mU ',?"^V , "^ ^'"PO'-t'ince well- the principal observatoHes of the ' . '' ^T' '^'^'^^'^^ ^'"^ capitals or ••elonged.' Hence thr, nl i "catio n'^V' "^^r" ''''^ ^-«l>-tivelv throughout the world. Wi hin t Z , /"T^"^"'' "^" ''^f^''--^"^ munications bet^veen the p' o les of dX 't "'"' T'"' '^^'"'^'l ««"^- tacilitated, and intercou se^ 1 as tm o^n T^'°' •' ^'^''^ »'eengreatlv oonsecp.entIy been telt that t CZ^^^ ^""T^^^-. " '- i-assnig and unnecessary. For a u n V. "^'^''^'hans is embar- I'eclueing this number has beeni o T''"' the question of l.rought before the Geo-M hS Oo ' 'T^ "'"'''''''' ' '' ^^'^« ^^^'^ Pans. The question l^s !,;:;n l^^n^ ^ '^t ^^^'^l' ''-^'.^ ^^-u at A-arious proposals have been sui.mitte ? ^'i«" "^'nt societies, and to the selection of a prime n^^n^\!:''' "'^'^•""^^tv with respect in no way been attained. Z^Z ^rtTr^'l ''' ''" --^^^Jha. A-ueral concurrence to the adopt , o one of 7l '• ''■'"'^^ *" ^'^^"^ n.eridiaus, but the«e proposals have f?. ??. the existmg national the question bv awakini ' ^ntl ^^ f 1 V "''''1 '" «-"'--nt of '>a.rrier .litiicult to remover ) " 1^ nt; '"' T^ ^'^"^ ^^"-^-^ - Hutial line, unrelated to anv o lie f h'! l' " >" recognized, have but little advanced the sfH '"*'?'''^'>« '^^ present as such a course encounters JiiHc I ie oVino T'"'','' "! '•'' '1"^^^*^^""' -.ous in their character as to ^:. Ct^^l^'l^'^^r'''''^ - icable. ^ pioposals aluiost imprac- o , au(i, as tlie question alfecfcs the whole area of tg- SUPPLEMENTARY PAPERS. 07 Civilization its consideration sliould be approacherl in a broarl, liberal •spirit While It may be ui-ed that clio selection of any panic.lar meridian is less important than the ado[,tion of a com.non tirst meri- dian, care shon d be taken to consider the interests of all peot,Ie con- cerned, or hkeiy to be concerned, scrupulously avoidin- ofience to Jocal prejudice or national vanity. On every account it is oxtromelv desirable that an earnest effort should be made to seek for a solution to the problem. The unifications of initial meridians ha.s been advocated in the interests ot S'-o-raphy, astronomy and navigMtion. I shall accent all the arguments which have been advanced on behalf of these extremely important interests, and crave your indulgence while I submit addi- tional reasons for the establishment of a common prime meridian for all the world. I propose to direct your attention to arguments which sprin.r n-om the relations of time and longitude and the rapidly growing necessity 111 tins age for reform in time-reckoning. If we take into view the whole earth! ^ve have at tlie same instant in absolute time, noon, mid-night, sun-rise, sun-set, and all intenne- ritliau around the earth. An event occurring any one day may on the instant be announced somewhere the previous day, or somewhere else ' e following day. About the 68 t'-VIVEKSAL OR COSMIC TIME. cc.oo.^m.r Jan e'.c ;::;!et;;:riS;eti;:" ''-'- '---' ^^- ^^- ^-^^^ According to the recognised theory, as already stated everv snnt m. the surface of the globe differing in longitude' has 1 em ^^^X! tmct day, and a local time peculiar to itself. Except on the s- nfo .nendian there are no simultaneous days, or hour o ndn u li:::::'^^'''' ^^-^ ^'^^^^^^-^ ^' ''- '^y -^•^' -^^ ti. v^s In the case of North America the continent extends across one hundred and Hve degrees of longitude. Within its ext line ^ste ! n .iZr"' \7u ''■ " ^"^f '^^ '' '^'-''^^ many thousand d net ne. Khans and fo lowing rigidly- the prescribed theory, we mav have ; H T ' \''!/*''\''^'^-^ authorities have come face to face with the ^^' and they have from time to time met it as circumstanc s ' ictated I order to operate the long line of railway with some ■i^greeof safety, each separate managet- has been obliged to i.^e he different local tunes and arbitrarily adopt a special" time for tl e novcnent o trains on the particular lines under his charge T e '•adway guide books publish at least seventy-five (7.-)) inv-^ularlv '•hosen standards of time, employed for the running of trains" 1^ its otn t '' '"' ''"'V,'^- .^^'"•^' '''y ^"^'^ *«-" «f i>nportance has son time, occasionally coinciding, but frequently differing from the nearest railway standard. The public have been obliged to accommodate themselves to this irregular system, but it has become .'xceedingly inconvenient and irksome, and'a scheme which will "i ion IS engaging the attention of the Canadian Institute, the Amer - can Metrological Society, the American Society of Civil Enf it il b' '* time or N time of the Cosmopolitan Day. _ 14 It is proposed to abamlon the divisions of the IocmI d-.v 3nto two sets of hours, each numbered from one to tw h ai^ to en.p oy a single series numbered from one to twent'-fZ vithou interruption ; or as an alternative plan, to number X twe ve hours from midnight to noon, as at present, and o otter the hours from noon to midnight. The after.ioon lette.l W lu agree.nent with the proper Cosmopolitan Time letter.^ ' L*). The time determined directly from the Pj-imo Mr-ridian IG Local time to be known by the particular standard ]\Ieri diun to which It IS referred. If it be 'determined by mL^ U- u B It will be designated Standard B Time. i>itnuiau 17. It is proposed to have standard time determined and dis seminated under Governmental authority. 18 Each city and town of importance to have a public time signal station electrically connected with a central Ibse v!to v ;::;h;s!r °^ ^^^^^^-^-^ ^-^ ^^^-^^^-^ ^^^^^ 'tmvLt^t'^fn^'T ''^'-''^ '!^- *^^^ ^'^ ^^ l''^"''^^'^^^ ^^'it'^ automatical apparatus for dropping time-balls, or otherwise .lenoting the standard time hourly, or as often as circumstances may require. 20 All railway and local public clocks to be controlled elec- trically from the public time-signal stations. .vilienfluS'the ^v^^ ^"Tr' °"'"" r"^ ''" Proposition. It must be . ment that the svstem of OosmopDlitan time would be a rcadv means of meeting he duh(uilties to wiiicli I have referred. It woul ren .ler It practicable to secure uniformitv, great simplicity erfect accuracy, and compete harmony. The times of pl.oes w de!v^di^.r 62 uxivinisAr, OR COSMIC timk. iu:j: ill l<>ii-;ituil(! 'voiild tliff.-r only liy ciitiiv Iiouvh. Tii all otlior iv.speots Stand.'ir.l tiiuo in every loiii^itiidc .iinl liitititde witulil be in I'Hi-t'ect agreement. Iti theory' every clock in the world would indi- e.ite some one of tli(( twenty-four lioins nl the H.-inio instant, iind there Would It;- |)('rfi'ct aychronihin) witli the niinute.s and seconds everywhere jiround the globe. l>y the sy,st<'ni proposed, instead of an infinite and confusing uuni- hin- of loc.d days follov ing the sun duriuLf eii'.'li diurnal revolution of the earth, we should have twenty-tour well delined local chiys onlv ; each local day would have a fi\i>d relation to the othersfand fill would he <>ov('rn(;d by the position of the sun in respei.-t to the Prime % Meridian. These twenty-four local days would succeed each other at intervals of one hour d-iring each successive diurnal revohition of the globe. Tiie day of each locality would be known by the h-tter or other designation of its standard" Meridian, ami the general con- fusion and ambiguity which I have set tui'th aa the consequonc(,-s of the present system would cease to exist. Some such sy.stem as that jiroposed I's imperatively demanded in America. It cannot be doubted that the general adoption of the S'-hemo portrayeil would be conducive to the convejiience of all man- kind. The first step towards its introduction is the selection of an initial ^NFeridian for the woi'ld. Accordingly I feel justified in ask- ing you to favourably consider the re.sobttions which I have now the honour to submit. RESOLUTIOXS. Resoh'ed—\. That the nniticatiou of initial Meridians of reference for computing longitude is of great importance in the intci-ests of geograpliy and navigation. Resolved — 2. That +lie selection of a Zero-meridian for the world would greatly ])ro!note the cause of general imiformity and exactness in Time-reckoning. Resolved — ;}. That in the interests of all mankind it is eminentlv ilesirable that civilized nations should come to an agreement with respect to the determination of, a common Prime Meridian, and a sy.stem of universal Time-reckoning. Resolced — 4. That the Governments of different countries be appealed to immediately after the close of Congress, with the view of ascertaining if they would be disposed to assist in the matter by nominating person to confer with each other and endeavour to reacii a. conclusion which they would recommend their respective Govern- ments to adopt. Resolved — 5. That in view of the representations which have come to this Congress from Americ:i it is suggested that a Conference of Delegates who may be appointed by tlio different Governments be held in the City of Washington, and that tlio Conference open on t.lu; first Monday in Mav, 1882. ^■' ., SUPPLEMENTARY PAPERS. gj of Delegate,, a.ul to t.ko ,,, , Z ''" '"■''[•»««'l Meeting cat.o,« u, ,.e,,,e„t tl.emuf he t,a„,mittu,l to Gene ^l W ™"'""""- Meteoml„,„oal Bureau, VVar De,„ut,uent, wSnltn '' *"'"' JUSTICE FIELD, Sui,r„,. Co,,.-,. W,u.U,„,Con JUDGE PEABODY, American Oecgra,.hkal Sockty, N«, Torh PROFESSOH CLEVELAND ABBE, «,„„,o,».,, WaM,„,on JOHN L ANGTON. P„,a„„ „f „„ <,„„„,;„„ ^,„,.,,, j,^_.__ Smolmd—7. That the Italian Government be .•esnectfallv ,« ElJ'Sr'-' "^ "^^^^ '^'°""'°- '" "- «ove3ente"o'f '1 [translation.] The Committee considers that within a ye.u- an International Com- miHsion may be appointed hj the Governments to coi..sider he one ^Z^^rlT""^ ^T^T^ ^'''^^ ''' ^^-^ -«t onlv the qu tion of longitnde but special y that of hou.-s and dates. The Commis Ion should bo couiposcd of scientific men, such a. geodicians, sZ^I^s and men who represent the interests of commerce, etc. Three mem- bers niig^U be named by each nation. The President of the TtS. Geographical Society IS requested to take the initiative in br n n" the subject before his Government and foreign Geo.rra,,hical S eties, and to take the necessary steps for the i^aliz^it'on o hi ll ," 64 UNIVERSAL OR COSMIC TIME. Bates th»t tl>t.\, , T "'" proposition of the American Dele- wthin" P™''"^"' International Commission should meet at REMARKS ON THE COSMOPOLITAN SCHEME FOE REGULATING B, P.„„»,„K S,MOK Newcom,^ S.,,erln,c.len, of Naulcal Alr^anac. tVas/nmjton, 1SS2. pS mL '' "'™ '"'■ »"«''»i='S the inhabitants of the can^7;eirus°"' ''"" ''' °"'^- ™"°-' ->'t "^'P ^em, and they PHOCEEDIN-GS OF THE ITALIAN GEOGRAPHICAL SOCIETY . (TRANSLATION.) /s Universal Time possible ? * The question of the choice of a CosmoiDolitan MpviVH.^ v • i tenniued, it remains to be seen to w\vT2V^^t\ ] ^^"'« '^^- systems of ,„eal Time, each in suecessionlilrilT^rX oS'^ „„I''^''°™ °'™'! ,'° ","" proposition, moreover, the very extnordi nary clearness with which it has been set forth Csee Fvrt II ^t come Ihe idea relative to the introduction of the one Time in ,1 countries will need a long period to popularize it in Eurow and to :Ccron^srMX;£'"^^^^^^^^^^^^^ several national traditions. ^^^^t^^^s. besides striking against In our opinion, the most serious obstacle consists in tli« fo.f .1 . ther^^no, meansj^he different countries Twng cL'^pllSn •^•m^-J I 'B SUPPLEMENTARY PAPERS. gg. Time into accord with the rising and setting of the sun_nhennm.no lu':tufr "^' ~^"^^ '-'^'^'^ ^" '^^ ordinaro4rns7f Besides, there is another fact which would confirm fTi« r,.. u of xnamtaining the present national hours n ^Jace of adoplTtht secondary Tune proposed by Mr. Sandford Flem'ni even should Cosmopo htan Time be universally adopted. It pres"n s it3f tZ- form:- At present the political bouUry of tCstver^ll^. . Europe establishes the linfit throughout whfch thfrecog" ^^^^^^^^^^^^^ date would cease to be used p n f^at- nf t?^ '^^^gmzea national Pans, with regard to which nothing eq,,ivooalln tate p'Cce B,U not be giftei with'the precise knve^e It '^hrt^ZT' ™"J one date shonld cease and the other day of tte secoSdarv )^^ ' mence In the hypothesis that the inWal anti meridfan of GrZ' w,ch sho„id be adopte,, h wonUl thence arise tte a part rf S™ °" wou d „se the Meridian M, and the other the Mer dTan N T dividing Ime wouhl be the Meridian situate at 187^ of lonri'tide (with the new system it would be no lon»er necessarv J»S ! or west, for longitude would be counted ft-om ejt to^^st? andTl JS£;:^e::hr;s>'s?r:r-^:^»iS? j^^st'::^fh«ir^^H^::>--&-£-i^ hour possible, at least in political life. "ecerniination by But the question presents itself under another asnect when „. speak only of scientific consideration. And without S.J if, science, as, for example, astronomy, meteorolo^; h part te,- lr?3 physics, and generally in all scientific questionfioi nested wthSe exact detennmation of time, the univeLl adoption orCosmonoli an loss of time, aiid ^■'om'lZ'' 27 Z^j;^^'^^^ Z"'']-',' ■'t r'' "='™''l«lS<'. «'"' in other scientific questions the Zn^a'ndlJSroFthV^inS^^^^^^^^^ ments bearing upon international relations. P'^'*^' I »ii 66 UNIVERSAL OR COSMIC TIME. The general adoption also of one of the propositions of Mr. Sand- ford Fleming, that relative to the enumeration of the hours of the day in a dngle series of 1 to 24, would probably encounter many obstacles ; but its introduction should be advocated in all countries. In fact, as we see, the division of the day into two halves, each of 12 hours, is a cause of numei-ous errors and inconveniences. This division has been for a long time in use. But undoubtedly apart from this reason no one can find any ground for its advocacy. Hence it comes to pass that its abolition is desirable, and that the simple division of the day into 24 hours should be established. The example of so many places in Italy, in Bohemia, and in Poland, where this most simple division is observed at the present time, proves that its general introduction would meet with no diffi- culty, and that this beneficial reform could be effected without seri- ous inconvenience ; and that, besides, the logical consequence equally follows, of the possibility of the adoption of one Universal Time. To resume : We consider we are justified in urging that, as soon as possible, the following reforms be adopted : — ^ L The adoption of an initial Mei-idian common to all nations, the choice to be made at a conference of delegates. 2. The adoption of Cosmopolitan Time, based on this same uni- versal Meridian, on which, moreover, na. ally shall be based the computation of dates. 3. Adoption of one series of hours in one continuous day of 1 to to 24, suppressing the denominations of anti and post meridian. 4. The question of secondary Time requires to be more considered, at least in Europe. For the present we would prefer to see the national hours maintained, or, at most, we would prefer the propo- sition of the Swedish Commission. Conclusion. Having arrived at the end of this work, we believe it is our duty to justify ourselves with the reader by some additional remarks, which may appear superfluous. But by what has been done, it will be clearly apparent that some consideration .should be given to the subject It may be said to be entirely new in the scientific and o-eo- graphi-Al publications of Italy; wliich fact, in itself, has iiuposecUhe obligation of examining the question under its many and various aspects ; when it is considered, besides, that almost all the foreign scientific and geographical publications also give the question a special prominence, either in defence of a given Meridian, or in com- menting on some of the propositions which we have set forth there is required at this time a r4sum4 which all can un- derstand ; and it is now so much the more callerl for as it is likely, by the invitation of the United States of America, '^H SUPPLEMENTARY papers. trivial ].onour to A r °"^^* ""^^'' *° ^rget he^e ?' . ?•! '^""*^^ °f a reform of so m„I^ ^'/"^ ^^^^"^^^ *« ^11 cTvili 'edf 'r"^' '* ^"^" ^e no ot so much interest to science nnT • "^^^^n^, to sanction Whether one initial M^.; r ^ ^^avigation. ary importance \vt ™'^^^^ or another be a.lnnf. i ■ . decision and all J^ ^« ^«««ntial is that dlZtf' '' °^ ^««°nd- eivilizati^^ ,7s"rirf"^r*^^ "^ tt ^11:^ 'ofT' "^ *^^^ ^-e it will be actt;ii:hf;; '''' ^■-^^- ^e prS t::TzCn REPORT OV Twi? iir* cietermininrr a Primp Ar« • i- * Washinijton for i-h^ ^ *^^ iue Lonference was iiei,? i,, n » , iands, Pararrn.,. i... I ^^'^7' Japan, Liberia Ar..„-/' .V^®^* -^rifc- It was attended by myself ,,. , Sr' '"" °-"""» oVclSr'^ °'«-' Britain appointed 3^ ^^.^™« ,.nt,e^ A. Captain Sir F. J O F,-... ii 3. Lioutenant-Genera stra^rr"', """'""''^^ ^'"--"y- The Delegates assembled o'', """'■ "^ "" Counofl „f [„„;, ■ •Il 68 UNIVBRSAT. OB COSMIC TIME. Meridiau, which now exist. 'tlSSS/Xw ■"""«««">' »' "'"W at the Observatory of oSS «<■?.; ■ l"? « °?.""' """•"*■ "■stmraent Adopted. ' ureeawioh as the initial Meridian for longitude, "_ Yeas, 22. Nays, 1. Abstaining, 2. ieas, 14. Nays, 5. Abstaining, G. ' IV. pollffoj whic^'lJ'naan.f 7"''i *'^' ^"'"f'^^^" °^ '"^ Universal Day for all pur- With the use o?ii^ ^Shi^isr^^^ Sfi^^il?,;;;:?^ ieas, 23. Nays, 0. Abstaining, 2. ' wc^I^SSSJI^/^i^^i^l-- jolarc^^ f-' ^" the with the beginning of the S C an 11 .f f}"V 'U ^ ^P'^i^"^- coinciding counted frofn zero^p to t^^^L^^i^j^lt'^^'^-' "^' ^^ *" '^' Yeas, 15. Nays, 2. Abstahiing, 7. <^^^^S:^ZrS::,Z^&'' '" T'^ ^^ mayhepraeti- at mean midnight, "-C7a,v.eXS«^X;r/Ji.^' '™"^^^ everywhere t.! l,egin VII. sign^U^pglSe-td-SttrtraSl^^^^^^^^^^^ division of angular space and of tinSS l°c rJ!^LtT T""' '" "'» -2;5«r ""' "■*"-"°" '° ^" — i" »w«i.X«ii«ar.s^^^^^^^ Yeas, 21. Nays, 0. Abstaining, 3. It was further resolved unanimously, .nstance and wfthin whose ten^ito^/t cirre^Xt^TrenS '"^^'^^^ It will also be seen on reference to the proceedin^^ nf ti , . session that the thanks of the Conference weVe^Tv^f to th P ''' dent. Admiral Rodgers, of the United States Na'vrand ^l^"^ fl 'il •Il I SUPPLEMENTARY PAPERS. retaries, Genpml P™^eurc„T number; that we should ineck! """^wo-oe of il,e jjreaS contended that to choose and T.^ ="',''' ""'"""' 'Sensitiveness r ^™ply be an atten^pt t^ertab iT """:'';• '1 ™"'"-'" M'-Wmn -ould n use by any individual natSi;™^;';'' f T ^'"''''''^' »" "ot tW in f ''"'^' ""='•» reconmSed bv H ° ?'""« "^ ""^ """- ^'ould create a "tSh £.111!™'"","°"' '' " '«' ^ Z ^eZ" 70 UNIVERSAL OR COSMIC TIME. «,-J!i 1 r'^''^'' Of Greenwich were established it wo d possess It It would become the Prime Meridian of the whole worl -^L d,W' 'wo Yr '?; 7"^^^ '^'''^^''''- Ti- -ords '' Greem^ch Meri- dian would really have no place upon charts. The proper terms to oni?:rnatn%\n'Sf •" '' ^^^^ ^^'^« ^-^^ "---ous, vo e was arr ved ^^^ .^^^''''So, voting against it But before th; tions T^iMtT K T""'^ '^ P™P^^' ^^ o^-^^«^ to meet the obiec- This proposition did not receive support The m-,\n.-\+.r f u *i dlan of Greemvich as the Prime Meridian " dufv^S'SlTt ottlf "■ P™-''»S^ f the Conference, I felt it my tude in two directions : that it shon d il l! t ^" '^"''*^"° ^^^^«^- onlj; that the Merid anrsl ou Id f ?^'!f '^ "' °^'" ^^^^^^^i^^^ zero^towards tlre^lX:yoia^^^^^^^ ^om denote east and west longitude ^-^P^^^^^ons ^fes and minus to thJt^t^t^iiiiStasifTfesir:^^^^^^^ the ,ema* .hieh I^SrXi^'^^ to^ rhtt^t^pM^-.r .1 «>ii SUPPLEMENTARY PAPERS. 122, and 124) * M '^ aocm-,1 with the.e vLT" ^■""^"S'"^ "■»' «-' Britain were not in confirmed hv f>, j. V-^ '^^ ^ouiid coixvenienf- m/ ". ^*^^ »" pur- 3. To establish a sound r-n+ir. i maj eventually be adonted t "^ m''*^'" °^ reckoning. Time wV T ^e«qr;:.:::'j,';:i'::]^ ^tn - -r- °^ -o«n,e„<,ation, deJil^-^-" ^''' - eon*r it neoessar, to «ae .,p„„ 2. T,.e Univerl, Da, ir.ir/""^ "^ ^^"°^'"-''- ^^ot^t^lXSr-' ^"^ - to Be oo,.„tea in „„, ..,,, * AppendedTpagtTrr ^ -__ t Appended, page 77 to 82. 72 UNIVERSAL oa COSMIC TIME. solar passage on the Meridian 1 ?° Z.JZ '!u^^ *^^ '"°'"''"* ^^ ^lean mined ar^o^rtVe^^t^^^^^^^^ -^ practical,, deter: the Universal Day? A princiX of /^ T^' -^^ twenty-four hours of secured when the systenf of '^PJai'H:"'^^?^;'^ ^"^ consequently be comes to be adopted in other cSte^s "'t T ^^ ^our-standards upon .n Canada and the ^ni.:TZ^.i^^-f:::^:-^ ''''' a^opXlrt^^-t^-.^^^^^^ Ilniversal Time was that while the representativefo^^ ' n H "'' T' '^}' ^'''''^'' «^^o^« no negative vote was cast a4in fc^T Tl ' "'"' "^"'^ ^^°"^ ^'^'ing, authority to tliis new mode of Timl V l^'\''^'^Snition now given by To my mind, it is far-reSin. i^ it' "''^ '' "^ ^''^' importance^ step towards the unification of 'Llt^T'TTT' '^'"^ ^^^^^^^^^^ a doubtless depen.l ^reatlv on nU -^""^^^'"oughout the world. It will this new syslem St^Z:C!'S:^T T'^T ^"^' '^ ^^^^^ -t- can be drawn to prescribe T^n^ni^^"^ f : ^,^ ^'''''^'^•-^J "ne convenience that the practical Ctn" i /' °"^^ ^"^^^ ^se and years the uses and ad^nta^es o Fniv' ^t-^'""^" ^'' ««"^'«« of derstood, and that which o"t ns .e^e Itn ^'"'' '^^"^ ^^ ^^^^t^^' u^" extraordinary, to the one succeedW 1 i''^ ''W>ear strange and and normal. succeeding may be regarded as regular «et forth in some papers Xh we't mm ^'/.^^^^^acter with those back. It was the L mcil of t^ ' n P'f''^'^<^ "^ Canada six years took the initiative in l^wL tL^'S"^?? l'''''''''^' Toronto^wh^ This body memorialized hf^fefaJt^J^'' ^n'''' '^' ^'^'^^ - ^^^t the subject, submitting clocumts on T" "'';'''!' ^"'^ ^°^'"«' °^ tion of a Prime Mercian trbec^L^rr',?""^"-"^'^ '''' -^«- through His Excellency's official .Tl *°/^" ."ations. It was that copies of these papei7wl'broifd;r"'^"'¥' ^^^ "^A-'^^^e Imperial Government ThroT'li the ^^ . """"t"' ^^' "°^^«^ ^^ the Government they were submitted to th.rr'"'*'"^ °^ <^^^^ ^^P^^'ial nations, and became known to inen of t ''''''''''.^^ '^ ^^' '^'^^^^'^ His Excellency evinced a dee^, nLres in T '^'^ ^"«^ reputation. I I SUPPLEMENTARY PAPEHS. 73 that it ,„., er„SrlS^rabL that S' °* ■■'■■'° """"^ P<"n«ng out an agreement with rfsS to tl,. It 5 """°™ "'""''<' "^""^ "> Meridian and a s^eTof U„ '™ltS 'Th "' " r""?""" P"«'« suggested that Dele^tes «h,«,l,I )T • f' , , *" ™o'nHons further mente to n,ee in Confertcf L^^ W ^^ "■" '"«'•"•'"" G"^"- tW The resoluSf ::rwUMh' fir: andf T/'^^ ^""^ gentlemen from the UnifPrl Mfolo • '^ ^'^^'^'^^ support of and the United ^tll'S^t^ ::^^^J^!::^^ '-"^^ inJorTar:ro^t:kt"t 't P-^d^-t Venice led to the I^omein 1883, wh ch xn 4 turn 1''"^''°''! ^''^'''' ^'^'^Sress at the way for the wort oTt^e wThi^glf S^^ ^^ ^^^^^^^^"^ the'^^Ji^^:?/,^^^^^^^^^^^^ I-titute has not been greatly influenced by Societies in Xtt .' /T""'"^^ ^^« ^een American Metrolo^ical Socttv an/ ^ ' ""^^"^^^ *^" Engineers. Thosetctties W ^1^ , ' American Society of Civil tion, and directed thp^flnf /'!f^°''''*'^*''"^ considered the ques- Gov'ernment to it. """ "^ '^'' ^"^^^^^ ^^^ ^^^^ United sLes I htrS:;,ltmro7'^^^^^^^^ '•' '!" ^^^^^--« -^ Washington, to bring about^tr:llt^rr ifef Tt"^^^^^^^ ^p^^^*^^ be held an impropriety on mv mrt \u T' v *'""'* *^^*^ ^^ ^"^ ^^«t part Canada has plav^Hn^e^rJ n f '*''^'"'?- "1^°^^ ^^« important in the determina? ofof tn inl 2] P •""'^'.f ^^^^^^^^^ Time, and With two copies ofThp n,.nf 1 , ^l''?^ Meridian for the world. I also forv3 eopi o the dn '"^^ \ ^"-^^ *^" '^""^^ ^° «««lose, Institute. ^ °^ ^^'' documents issued by the Canadian I have the honour to be, Sir, Your obedient servant, SANDFORD FLEMING. I 74 UNIVERSAL OH COSMIC TIME. APPENDIX TO REPOIJT ON THE ^^•ASHINGTON CONFERENCE. l'3th, referred to in the Extmvf. (1) from the ProtoroU of Session, Ortoher forrijoinij Biport, pay,'. tJO. mustte\*m?rVacL;n Conference has to oonsi.ler tioiul ..r inditiS ro 1? ' "' ^^"^ """'")"" '"*"-^'«*' *" ^''^ aside any na- g.t,j.ean^_f-,^ individ.^d and nationaHn^^Sn^e t p'o^ SI' '* ''" ^"""'* *™^ ^^ ^^"^^ thfs (Tnfetnt^is calir/'l.^^^^^^^^^ «" *^^^ '^""» 'l"««tio" for which after, to th:rns?tSsSdivSuS ^^^ ^^ ^^°'^^ ««"^"-' "^ ^ ^-- acc^Jlnro^iL' neSi?v "S T l"^?^ n ^-^ ^^?^^" ''^'^^"''^ '- -^-^^^ «" fcirely new meriS one wh,V ^ *'^'"^ -'^ ^^'"^ ^'-'J^'^ti^" "f an en- as al^ initial'Sdikns L S .'a rnr/or^lcir"^^ '"*?" '''f ""^ '"^>- "^^'^^^ ^^ eon^dered neutral ^^^^^^^^^1!^:^^^^::^^:^^^^:^ mg initial meridian. Wouhl we th -n W ' , ' ""'"^'I'^t^'il *" '"ly exist- we are met ? I ask would tLtwenty-irnaror^^^^^^^^ '''' t't ''' ^^'^"^'^ recommendation to adopt the nei^traKridhn T ' ^,f "-f ^'^t^d accept our mg of the resolution would not in tW 1 'f } ^^''''^^y ^^''^^ ^^'^^ ^^'^ Pass- portant question before the Con erence ^hH'r. n'^'^ settlement of the' im- different first meridians The ad.mtioT; J ,1 ^''''' ^}'''"''^y •'^* ^^'-^^^ eleven the Delegates from France wourf?. ? T^- "^^^^l^^" contemplated by and proportionate^Lrerse thiVfficXShrS.-^ "'rff^ tlfe numbed parts of the earth are assembed here to rem^^e "''^ delegates from all any'eSr it would iSShfcUfficufc '^*"f T °^ ?'^ ^^««^"*-"- « '* ^^^d object which the dSeiSrovernmf^t^^^^^ ^ """'l"^* f'^^ ^^^'-^^ ^^ '^ot the to this Conference TTePesiShas^w^^^^^ ?^^'>' ^^"* ^'^'Si^'^' the advantages which would be L^ained rVhir,* "'^"' opeflingad.lress would be avtided by slafalg Ss ha^^ '^'''''^''' '''^''^'' ^^ *i^««. Besides the benefits whiTwouldTccrue to S '''"'' °^ longitude. equal importance in con:ttTo'n w.^rTefegTlS^f'u^^^^^^^ «^ from our conclusions. ^j^uicwon or j nne, to sprmg, 1 trust, It does not appear to me that the adoption of the mnf ,•«,. ^. 1 1 • advance these objects. I do not say that the princLS of . n! T^'^, "' ^% ^^^ wrong, but to attempt to establish one wouldTfp.l «of^ <^ ^T*'"'''^ meridian is no good result. A ieutral r.eri^^t:^JJl^^'^:;:rf:^^^^^-^:!. I SUPPLEMENTARY papers. 75 ■■> sufficii.„tJ„ „.i°l, 'S '?"'»' ""Ti.li-i,, relatel to LJt! ""weptiWIitios. ^ 'inia iianioil, in INITIAL MERIDIANS. Ships OF ALL Kinds. Pkk Cent. Cfrtenwirh Paris .. t^i'liz ...".".".■" ■Nftl'les .....'." Christiania Perro .... Pulkova,. Stockholm'.!" Lisljcii " Copf)nhaji''n','." Rjodo Janeiro.' •Miscellaneous Total ... "'■'"""■r""*- s..i«.lT„.,.^... 37,003 5,1)14 2,40S 2,263 , 2,128 1,497 987 I 717 I 491 435 ! 253 I 2,881 14,600,972 1,7.S5,0S3 660.602 715,4)8 695,y,'s« 567,082 298,641 j 154,180 164,000 I 81.888 I 97,040 534,509 100 100 It thus appears that one of ihZ T, ' ' -— international ^er^H^iens nSr^t '^ ^ "^^'-'^ S ia^ STI ^'"^^ '^^ «« to a great extent fn^f national siiseenti})i]ibV« tI • ' ^"^^ '*» use as an and Tim. f L "l-?- '^"i^^e «hs obiectin, "i ,! 1,'.'_': J* '« possible, howeve " tor a ym-.i ^# T _ . . . ' to a great extenfT' "''''"•' "^"onal suseentibiH«„"'''''T."?"' ^"^^ ^ts andf'ime, thi'n eVicS^^^^ ^^;« possible , ^tory; L nl'"I!?.^lL^_* ,T""W "ot reauir?lL5ifJ'^i"gon the ""u 1 line, the meridiin fo. *.T x \"^J^^^ioii bv takino- f,.- i—oiu-jc, nowever, «'^me great circL "s t^reJmvS* ^'^«*^"* ^^onf SS^^eh 'tT' T^-^^"^'^*"^!^ new oI,servatory -Its riTf^'^^'' '* ^^""W not req re J L ^J'f, '""g on the tables, beyond the\ oLtio? f V"^"'-'^^^ P'-O'luce no ^ alJ t ?''^''^^^ «f a clanned for the (> S^ 1 rV^'*^^-'^^' J* ^voul pSi^ atut ^"'•^"ti-al zero for regulating. TimTi> J .''" "' connection with n. • ! '^ advantage /"er dian. '^This Pae He mJrlf^ '",' ^-'''^''^^ *" be prrfe^ed f i?^'"^ ''^"'^ '"^^ ^ J"»gitude being reckon^?? "''^"^'•«" ''eing acpppted ?« ?/„ *'''' Greenwich to the noc^ssitv nf f ''''"*'""''»sly in onrdirrpH^ ;T common zero, and neiit services remfere.l bl ^l! ^ ^''' V^,'''"'^*°'y "f Sio^^nd'f ' ?" «»« side, 76 UNIVERSAL OR COSMIC TIME. passes through two^ countries of Kr n '' *'»'i* '^e meri.lian of Greenwich reckoned by different sSTudifFpri'^V^"'^ *r^"' ^h'' longitude would be of Africa. ^ '" different portions of our own continent and also ^'^V^'^'^oZVfI^^^^^ of Paris, which, per. to. from custom, from a spirit orcnTrafietZ 1"/''"' "'^tl^'^^^""!'! ^ti" hold easily cause sad disaster To ohSil ^ ' '""^ national rivalry, might toch'ooseas Prime mtiVlian'anth^'^^nSJrsS^^^^^^^ '■ l''^^^ h'T^ of hours east or west of Greenwich and a.nSfl, r * ''" '" '-'^'"'''^ '"™'»'^'' clition, I have indicated, in th^J iVs t I'^rf^.l '"• r ^ scientiric Americans as that whin . I'm ' H .'"«'"'l'''i» proposed to-day by tions for its aloSor Thul h^^ presents the folIo^Wng a.lvant^eB _ " ' " ^^^' ^'""^ Greenwich of '^in!'inhSr[^y;:;j;ir;±f^;tt r^^" v^r^'y -^ ^^e xorth Tschouktschis. ^ ^ ^ y ^''' '" ""'"'^'^r and little civilized, called change of one unit in the Int ? iffren e whic^J" i *''^"•^^'•g''^t- »^akes a small islands in the Pacitic Ocean .,tu- ,^^ , '!/"''"^^ "''''^'' '"^ "»'»'^er of east and west. Thus the co mnez ce^^^^^^^ ' """^''' * '! ^'"y'V^'^^ '"'"^'le to the with that of the hours of CoZq^^^^^^^^^ ^^^*^ ^^'""l^l '>^' i'l-utical "3. It makes no change to the trreat rmiorif,, ^t ■ . g^^^xcept the veil simple ^^^STlZ:^ C:;!--l-^}^y^^ moI^iJV^r^^i^l^Ss^^^r ii;;t ^\ *•- Ephemerides turning mid-day inlo micfnigSt, and rt ^ 5 t^h*''"] '^^'"''^"''''^' ^^'^^l'* Almanac there would be no othe^ chauLe to Tnfm l *'^^,,^n^*^rican Xautical spirit, and in the just appreci^itL off Jne, ll w fV. ^^'*'^ ,^ cosmopolitan Ides published at Wash igton, record JdZfjTK^^'' '^'""'"* I'^phenier- from the meridian of Greenwich '^"^ ^'^ navigators calculated SS^-srt^;:trtt^tiJ^--s^s^ Local Time was used. *i''*''''°"' '^^ *° whether, in any case, Cosmopolitan or "In answer to the first question offered by the InstitntP n+ T * t therefore, recommend the Academy to uroiiouncP vvltl ! f T°*''' I^^'onld, of the universal adoption of the iLriC sSef ?so^;'''**) '"" ^° ^ Prime Meridian of the globe." situated ISO from Greenwich, as ScLrs^^of^rpSe^sS^il^^^^^^^^ '^ *^^ ^-Perial Academy of pre\e»u^^f .i^,^ the problem plated in the motion of the honorabfe clele"ates Vvi^^r'^'^'V"' ^^""^ «"»tem- eific meridian referred to would soo, brreclmized J^^^^^ '*' "''g'"' ^^'^ ^'a- any meridian could possibly be If on thefther h.n f '"^' ''' ,^""^*^ ""^"tral as I very greatly fear that the main obTect of thL Pn, f ' '"'" ^'^''•?.* *^^ ^"«tion, and the settlement of a question so Snant with ^^''^Z^""^^ '^'^^ ^« ^^^^'^ated be indefinitely postponed Pregnant with advantages to the worid will SUPPLEMENTARV PAPERS. ^ Mckoiica in one direction . *^"'« ^ho think ?},nfi "x'^^'^t^'cope of At present wc arc witl,„„t u ^ "^ "''■■""'" .' .» ....uHiciMt fo,. Z wZlT'f ""'' °«--"«'' our phmet ^ ''°''' lr.trj^gi™^-»tX5rtt™Lr^tiircr^^ As we contemplate tl,« . '°'"^ ^'^^^nt 'i;«rElteVI:r»SK^^^ oannot b„t fee, jace, when eSte„oe f -.''Xi'f''"'' If*' '" S' etrf 'Itl H "'''' "P'^Hy as .» . (" the ,lays when tri ^ ?',',"' "'" ""''.PlicatioM „S'''.™f.°f ""' hum,n was related f?„,„ t he „t,,e, i^'™''' '■■■"'"'a' PuStBa?,,? '"''f""" '«" 'ei f ""'""..".icalion between' .iS!"."""""™ "»» SLe ' r?^ °T"""'"y s=t;--i ':£.=hat's^^^i^^^ an.l near relationship ami l j?''''"^'^ ^« ''''a^" intoln S*f "^^^.^^ ^^^ '-^nni- to niany disturbing Ifluencl, ''""^ "°^^ ^^^»"»e sensS^^Tn "^^g'^bourhoocl even unthought ofV/e" "!' Ir""' ^^koning of t ne itorr''^'!"'"'^^^ ^"^ civilization advances ,li^ •f'^*'°"« ^ack. It is al^n / -Z^^^ unknown and and that the trS'rSie'fliSt Sa * ^^^^"^ ^"-^t^S tSlr ' *^^*. "s y m changing our traditionalZle^^n^'i^St 78 UNIVERSAL OR COSMIC TIME. In coni.tries of limited extent, tixe diffloultr is easily Erapuled with Bv vlS"S=!^ir?s^a^CcTtiSrfse^-'S£l^^ ture fron, the ,ri„eiple, b^ „l,ieh tLe if l^aky deee'ml 7 S '■"-"'' tliese pnnoiples be not wrong overv clock in tb» rT„lt„ i r- V """• '' those on aline due north and soutj S Sl^Z^^7:Z^^t ^^ &lrr, *te';fr: jsiat: srct^iit providing a remedy for tlie disturbing iuflucnees referred to w ftt W,_^tuey are in harmony with priiiples, th" SuXess^rwhilS^S usIStTeaTS;Te,^i£cVtltVt^»firwS^^^^^^^^ senses; it is immaterial, without form! withorsubshn^ S .l/"""."! tronomical, nautical, and civil time, of'apparent and inean t?mf M ' "" we assign to every individual paint aroimd the surface of th^t'.r,^ ''""I' and distinct times in equal variety. The im Js inh^^^^^^^^^^ there is an infinite number of times Is ot Kis inonnt?J ^ T '-l]^^^ '"^* and at variance with the cardinal trJ^^^^^V:::!-!::::^;;^ ""°"' Time may be compared to a great stream forever flowino onward T > „. nature, in its wutest amplitude, is a unity. We have Im Le Tnff t if ' Lmverse, M'hatever its myriad component narts Th!r +1 • i ' '"* ^n*^ ^0. of Time is con^.tent^ith th^^ZcicE-of ^Vtl^l^^^J'^'^rZ there can be more than one passage of Time is inconceivable ^ '* .Sz:j^::S:^n?;r'lSdttfS::Lri^;:^titv^ civilization demand that a conipreheLivf svSem sh nl,] ! ':"]'r'1 T^'''' bodying the pnncipal tl«t TlL l.Z^a^^^^:::^^^'^^'^^^^^-- imxte portions of it should be based on, or l,e related L.^l.^'oS LS,v '^"' On these grounds I feel justified in respectfuUv askiu<^r t\w con ■i.io,..f f the Confereu. e to the series of recommendations ilSY^i!;:tr to ^l^J "' It. The ],roblem is of universal imT.ortance 4 tfs, n 'l '^'^■"^^:'"^''l i" ^'SilzSi:.^^ -''^'''- ^^ ^ syiten^^itr;: -i-;^^^^^^^^^ the determination of a ur.it of measuren^^nt, J^dit^^^£X^!Ti'i:^l must have its origin in the motion of the hekveuly l-odie. \^ ±^^^^ uniform thau the mot on of the cartli on it^ ..Yi^ 'I'l, 1 r i ™"^'V" ' """C mits of the most delicate mj;.:;ir;;;!i;ira^i:"raii ^;:^'-^^±'r i- aluu for a unit lueaaur... It fn,.,,;.!,,... . ,];...,;.,.. /xfi^'^,'.,'\*''^ ""^t •'i^-'i'l- ai.iu for a unit luoasure. It furnishes a division of time d-liuite •in, and one winch, without difficulty, can be made plain and manifest precisu, 4 -xummmt.f^ ,i». J SUPPLEMEXTARY PAPERS. ^n m scenco, i„ cLunerce, and ll^.e^y!;^'^''' "^^^"'^'^'^ f^" '^^'^'^ Purj-o^e .^ 1 he^.,„. .et fortl. in the recommendations has in view three principal ob- e«L;?ln!^;!S^lrSi:^S3:i^^^ ^- --^^-^ ohrondogieal ae- fonnity and aecuraiy throughout^JgSe"'''^''^''''' '"^^ *^"^ '^^'^"^^^ ""i^ mfiueuces as arise frona habi a ri^t^fSaTl cannot?''- ''"''T'y- «"^h must be recognised that it will hi difficult to oh'. ''r'""'^' ^^''« ^'^^^t to whioli the mass of men InvP 1 1,. change nnmediately the usaoes habit of eating, sleepi g'VmT ^l^^w n^ th^'Zr " "•." ^^^'^^ '''' ^'^ -^^ i» the periocls of the day. We are familiTr l-if f ^^^ ''"^ existence at certain these periods are known and d Kll 1/^'" ''"jV^^'^ ''^ t^'° l»'>">-« ''y which roason in any attempt ^ S V Ir t mc IV:'. ^' """T, "^^? ^^'^^ ^^'^ ^'^tle little note of cause and etfect, an l X vitl^ ^i''''?.'''^^ ^'^"'"^ ^'^'^ t^^« oessity of a remedy to some nu rkel irre [dl- tv 5^^ ^' ""^^^^^^and the ne- jeetmm.ble, does au.t bear heaWly upon tl^^rj^'u^ai ""^^^^ generally ob- t/Z hK^?t ^'S':^;;:: TSJtr^ "^" T'"^^^' '-*- - ^w«. tmn is made in the reeomnZS "n .;" vli^r whill7:"T';" f"' ""^^ "^'^1'*- leased on the principles laid ,lown. the hours and ft^ '•^ckoning would be preciably vary from those with which ^veTv!fllr i "'''^'n' "^'*^'^ "ot ap- 111 all ordinary affairs in everv h Sf ?, ^'""'^''■^!:- -^^us, Time-reckoning general system. '" '" ''^^'y ^^^^M,y may be made to harmonize with the Standard Time throughout thp T*n;fa-i q* *. ■, ^. tablished inaceor-l witffi p, ncbl Ttf * onK''"^^"""^ ^''' '^^«" «^«- tages whi^' may be attaiiied .vJierd/rilv tl ' tt^ "" ^'''^ ^^'"^''^•^ the advan- advantage» have been wiclelv^inpreitSl and nf.'??'''"'' ■ V" ^" ^^^^^^ these upon common life M-as ever so aS o> .K ^ I V '''"?^ mtnnately bearing portant step towards the estaWis lme.^':/o'n; Sem of nV"*""'^/!* ^^ '^" ''"■ It IS designated in the reconHnendationsrC'osmic T?me ^'''*'''^^ ^"»e. or, as ^SA!SS;:;;lrr£S:ftShe'";^'T'^-^'^^ been accepted in ev .ry-day life is not un.tttai nab e T t .Sb "^n"'^"?!?^ "^ ^''^""'^ '' "»e in to iiscover before long, that tL ad.,,! ' "'*/ l?""'^ "^. t^o Pcople will not fail ■ .!& will in no way change or >^C^W^^^ot^^^r''^l^''\:'^ Time-reckon- tomed to. It will certanily s'v4e avi^m, i.h^, . 'm''7 ^"^^^ •^^^''^ ^C'^"^- will rise and set to regulate tl eh-' oSffa rs ^ XU f'^' *" 'f' "• '^'^^^ «»n understand the hour of noon, whatever the nu,ut 1 'fu' T'^ '""" ^^^^'^ to as in Scriptural times, or twe ve or ei 'htoP,. n^ \\^" '^'''^' "''''^ t^«'" «i^. H-illget up and retire to bed, b gin and m work 'ta'lceb';' w'";""' , ^'"'^'^^ at the same periods of the day .^s at mLtllf ]]J',.\T^^}'''^ '"^'^ ^^""'I'r will remain ^itlmut a chang? dei^n n^ as now on Tl ^'''' ^"^' ^"^toms omena of light and darkness, '''i''"'"''^' ^' "«^^' «" the daily returning phen- create s^o bewilde4ent, and that it ;^K^.!^:i:ni£;K';;^ t!K 6 80 UNIVERSAL Oil COSMIC TIME. ■ stood by the masses. Tho caus'is for sucli a change to many will appear iu- sutlioient or fanciful, hi a fe'V years, however, this feeling must pass away, nud tlie advantages to he gained will become so manifest tiiat 1 do not doni)t so desirable a rutorm will eventually commend itself to general favour, and be adopted in all the atlairs of life. Be chat as it may, it seems to me highly important that a comprehensive 'rime-system should be initiated to facilitate seientific observations, and de- finitely to establish chronologic il dates ; that it should be designed for general use in connection with railways and telegraphs, and for such other Tnirposes for which it may be found convenient. The Cosmic Day set forth in the recommendations would be the date for the world recognizable by all nations. It would theoretically and practically be the mean of all local days, and the common standard to which all local reckon- ings would be referable. With regard to the rLckoning of longitude, Isubmitthat Longitude and Time are so intimately related that they may be expressed )jy a common notation. Longitude is simply the angle formed ])y two planes passing through the earth's axis, while Time is the period occupied by the earth in rotating throuuh that angle. If we adopt the system of measuring Time by the revolution \>t the earth from a recognized zero, one of these planes— that through the zero- may be considered lixed ; the other— that through the meridian of the ')lace — being movable, the longitudinal angle is variable. Obviously the variable an- gle ought to he measured from the lixed plane as zero, and as the motion of the earth by which the equivalent time of the angle is measured is continuous, the longitude ought to be reckoned continuously in one direction. The direc- tion is determined by the notation of the Bour-meridians, viz., from east to west. If Longitude be so reckoned and denoted by the terms used in the notation )xf('m of Univerml Time he established, with the view of facilitathig .•^l/ii'^hronoas Hcientljic ob.tervatiom, fur diroiiolo(fical. reckonings, for the purpoHe of trade and cuitimerce f/i/ .sea and laud, and for all such mes to which it «.>• ap- jnicable. ^ 2. That the. si/ntem be established for the common observance of all peoples, and of such a character that it may be adopted by each separate commuuitu, as mati be found expedient, "^ 3. That the system he based on the principle that for all terrestrial Time-reckon- hijs there he one recof/nized unit of measurement only, and that all measured interoals of Time he directly related to the one unit vieasure. 4. That the unit meauure be the period occupied by the diurnal revolution of the *a.rth, defined by the mean solar i}assaye at the 'meridian twelve hours from the /'rime Meridian established throuyh Greenwich. 5. That the unit measure defined as above he held to he a Day absolute ard dcsiynated a Cojinic Bay. ' 0. That such Cosmic Bay be held as the chronoloqical date of the earth chami- tnrj with the mean solar passage at the Anti-meridian of Greenwich. ' i Im J- Thai all dlvi. SUPPLEMEXTARY PAPERS. 'io)is ami multqiks of 81 ic 'line. U. That th. r ■ ^'''-''^''^'-'"-■h the cou- »Vith regard fr. fl,, „ • ^ ■"*' ^ ' vvii be 'lofcjgned f> cause as Hnit . ^^'"^ ^'"^^^^ States wl?;^ ^',*' *^'« '' ' t><>a of land, md i„ haviiur ea!v .„ '•'^^^'^^ concerned i„ TJ / , , * ^" "^"^■'•looked. l >»g into any othe leS^/^Sf "^"^"^ ^«'- ^^^^^Z TV^"^^ "" een the subject of preparatory tiis- cussion in later Congresses and Public Conferences, nevertheless the first decided advance in the matter was through the Congress of Delegates of almost e\ery civilized country in the world, ciUIed to- gether in October of last year, in Washington, by the Government of the United States of North America, the most important of the Eesolutions adopted at this International Conference we design here somewhat closely to discuss. It is proper to remark, that for a long period with us in Russia [(reparatory me;'sii'^es have been taken in the same direction as that wliieh at tlie Washington Conference was suggested to be followed by the whole world. As a i)roof, it may be s;i,id that :Mr. Struve, shortly after the successful establisliment of the Chief Observatorv in Pultowa, in th.e most positive manner pronounced against th'o establishment of a sijecial First Meridian in Ivussian Cartography. In accordance with this Aievr, in 1813-44 he organized tlu^ great Chronometer Expedition, l)y which the difference '"of Longitude be- tween Pultowa and Greenwich was established with the utmost pi'e- cision, so that in Puissia we were in a i)ositioii to lay down all lines of Longitude, determined or to be determined, with perfect conect- < > .'WTl [ SUPPLKMKNTAUY PAPERS. g't no.ss witli regard to the Moridkn of tlie last nanio.l Ohservatorv wluoli already at that time was tlie most generally in use. His Imperial Higluiess the Grand D.:ke Constantino Nicolajevvitch al«o acted, in the same enlightened and liberal spirit, when in his position as High Admiral of the Russian Fleet, which, until 1X53 had made use of a Nautical Almanack specially prepared for Russia' lie cancelled its use, and in its place introduced into the Russian Navv tlioJiuglish Nautical Almanack, well known as liasinl on tiie Green- wich Meridian, from which the MorsU Miesiat.eshh (Naval Almanac) was essentia ly a stunted ro-p-oduction. A far more important sto,, was taken, that since that ])oriod npon his order, the Lines of Lono-i- tiule according to the Merhlian of Greenwich are drawn on all .sli Charts produced by the Hydrograpliical Department, and only on the luargm of the Map their relation to Pultowa is marked. In .spite of tins precedent, we have in the meantime remained not entirelv free trom the influence of the unwi.se feeling of nationality which has ad- vanced the claim of Pultowa to be the First Meridian at least for Icussia. It is owing to such national feeling that the fact must be explained that ui)on several Maps issued bv the Head Quarter StatT m contradiction to the views of the Pultowa. astronomers even in instances where the Ma])s have not simplv a local interest, the Lines ot Longitude are referred to Pultowa, and on the margin only the relation which that Meridian beai-s to Greenwich is shewn. As already mentioned, this matter took a new phase tlirou.o-h the Antwerp programme, and the interest we felt in the ])roceed- ing-s, became accordingly the more marked. Especially, the aim of the Unilication of Longitude found a zealous r«j)resontative in the person of the then President of the Imperial Acadeuiv ot Sciences, Admiral Oount Liitke. Among other matters he induced the present Director of the Pultowa Observatory publicly to_ set forth his views upon this question, and in accordance with this desire, the latter prei)ared a paper which he read at a general meeting of the Imperial Russian Geographical Society, held on the 4th February, 1870. In this ])aper, the conclusions of which the meeting approved, among other points discuss(;d, the; ari;iiineiits M'hich may be adduced in advocacy of the Meridian of Creeuw^h for univer.sal acco[)tance as Fir.it IMcridian, were sulU-ientlv sot forth. The argument suggested that should the immediate acceptance of this Meridian, on account of mistaken national feeling, obtain not only a merely apparent support, but on the other hand e.xporienec serious opposition from the circumstance, that it .serves to determine longitude, as well for Great Britain as for France, conditional] v on a change of notation, so might it be an acceptal)le arrangemeuL tliat the First Meridian to lie nameil should be drawn from that of Green- wich, at a given number of hours, without any addition of minutes and seconds. The reader of the ])aper under such circumstances took .'WTII 86 UNIVERSAL OR COSMIC TIME. xipon Iiiniself to direct speciiil attention to a Meridian twelve Iiourj; distant from Greenwidi, wliicli ini8f.:es throu^iili liiiii hiud only in the liiyli latitudes of the north in the nninhabited neighbourhood oi 'J\schuktschenland, near Behrino^ Straits, nnd for the nMuaininrr part of the distance runs tl rough the Pacilic ( )cean and the two Arctic seas of ice. The cstal.lislinient of this Meridiaii, which iiiny 1)0 de- scribed as the nether Greenwich IMeridian, would in any V'ircuni- stanco lead to fewer practical inconveniences than those incident to any other Meridian excepting that of Greenwich itself. These views not only found much accord in this country, hut were also favouiahly received abroad. A more earnest inoveinent. there- fore, for the Unification of Longitude notation took place for the tirst tin)e, as it became associated with the desire after uniforniity in the notation of time in international relations; while it became intim- ately connected with our Cartograjdiical requirements, and even ])ene- trated into i)ractical life. It was principally the rapid dt;veloj)ment of the means of communication tlirough railways and telegiaphs which called this desire into life; esjiecially in America, where the in- creased communication and the great extent of countiy, making the ipuwtiou of time one of special importance, doinand(.'d some settle- ment of the matter. Befoi-e we enter upon the proceedings of the Washington Confer- ence it will, ])erhaps, be of advantage at this i)lace to sig)iify in a few words the objects to be attained by the uuiHcation of Time notation which make that stej) desirable. All sciences arc in common inter- ested hi the result. Navigation, the Administration of Telegraphs and Railways. Ordinary eveiy-day life, which in its locality is regu- lated by the sun, would not immediately be atfected by it. In the first i)]ace, let us look at the siguiiication of tin.' Unilication of Time with regard to science. Thus it Is peifectly plain that bedsides astronomy those sciences are especially interested which have relation to the phenomena of the globe, namely Physics, ]M.;teorologv, and ^[agnetisin. For the last named it is of importance that so "far as possible, identity in the determination of Time shoxdd be established, according to which certain observations which have been or are to be made will be referix'd. It may for examjde be remembeied that for some^tnne past the local time of Giittingen has been used as the Normal Time for simultaneous magnetic observations, because from thence the tirst impulse to such observations was given through Gauss. Similar arrangements, it is true, may be made in each ea'se in the future when there is a question of certa"in delinite obsei'vations 1)eing set forth to the same absolute Time ; but it would in like mat- ters much shorten such operations if once for all a Normal Time were established, and it was not necessary on each particular occasion to 7nake si)ecial arrangements on the point. It may ai)]jear pai-ado.xical to say that of all sciences, astronomy, in despite of its vocation closely Sl-I'PLEMEXTAUY PAPERS. 87 fact tl.at „st,o ,omora l,osir, tZ ? '■"W"'"'"™ I'^s in ti.e ...»l^ a.. „lwa,.« in the L »' t^^ L ^fri'" °''»'r'f°- viiti<),.« fl.nn +!..> v. .• .^ f'^^^v SO to mluce such obser- 1 , 1 T nv.l-oif „ 1 »^ii>>temi over the earth's surface t elat ve signihcauce to liin,. Whereas in otl.er respects nnjtbn t 'n he .IeI,noation of geo,n-a,>ln-cal Longitudes v^.on^sea c a .^ "nf ^3 register of geographical sites, would be of Substantial u^^ we foi the safety of navigation as for convenience in calculation. tratLr irr'' ""^.fT^'^'V^'' i^ ^°"W principally be their adnnnis. h'e vl o I w ! U l\ 'Y'^l ajlv-ntages from one Ti„.e notation for to Loo n, 1i 1 1^^'^^^^' ^« solely sent as desired, according be^.^ 1 Normal Tnno described, so sharp control cL scarcely be exercised over delays or other hindrances, without repeated dE^ '^^f •^" ""' ''" Tr^"^ '^^'"'^''^^ °f Universli'xh!: diflitulties in this respect would be i«educed considerably. Thus alsJ the great body of the public would be a gainer, for then evervbodv wo.ild be 111 the position to know with cerUxinty when the deM,atch in question was delivered ; a circumstance which may 1 e of the ^n-eatest importance in many cases, as well in commercial relations as in many other questions of civic life. With ro^rard to railway -communication, it is ])ossible to introduce standard June to be observed within the territorv of a sin-de country, or to groui)s of countries bound together by close relations by which the administration of the lines, and the movements of trains may l)e regulated ; while with regard to the public, the Time to be exhibited can still ndh.>re to the Time by which every day life i.s regulated, be it Local or Standard Time. Such has already 'been the case for some time in many countries, and has undoubtedly been attended with great advantages to the interior channels of communi- cation. Thus with us in Russia, an ordinance has been in oi)pratiou lor some time, by virtue of which the moveuients upon all railways should be governed by Pultowa Time, and on some lines, at least, it IS m force. On other lines which have been constructcvl at a later date, this ordinance has been departed from, and in difierent ways t le movement has been re^nilated by the local Time of one of the 88 UNIVERSAL OR COSMIC TIME. two fevmini, or hy tlio Titiio of somo point ]v\nP|MMie.l, IS indeed to be ascribed to the fact that our railway coin- nuinication with other countries has onlv been partially developed and the rate of speed of the trains, in spite of the greater lengths of single hnes, is considei-ably less thi.n elsewhere. Un.lor these circun.stances, it appears by the free use of tlie telegraph, collisions are avoided But it is to be expocted that with time, this constant untrustworthy expedient will not bo suUicient, and tliat, as a conse- quence, owing to an increased communication, a decided and identical lime will l,e again made obligatory on the administration of all rvussian railways. Until lately a .similar condition of things existed in North America with regard to the notation of Time on Railwav.s. There, as with us luulway lime was not governed by a common bindin- law but the administration of single lines accepted, for the movenuMit of trains generally, the origin of Normal Time, wJiich in the easiest manner they could obtain from one of the observatories in the nei-di- IxKirhood ot the line. The complications wiiicli aro.se from this want ot contormity m the enormous increase of railway commiuiication urnishedthe starting point to the extended eifort which was made last year m North xVmerica on behalf of a strict wide-spread re'.-ula- tion on the subject of Time Notation established by the RaiTwav administrations, not simply within the ten-itory of the United States l)ut where possible over the entire continent. Had the matter alone applied to the United States it would have been easy po.ssibly to establish the desired good uiKlerstandin.- either throngh a resolution ot Congress or by a convention of the directors of tla, several lines JMit, at the .same time, the desire arose to inchi.le in the same strict armngement the rail^^^^s of neighbouring states, wliich equallv m the matter of Time Notation wore subjected to local enactment's and incidental changes. This desired arrangement could only be- ontaiued by international agreement. Such an agreei.uMit ol,tain<>d '>y means ot an int(;rnatioiial conference or congress became so much the more desirable wlien this beneficial result, principallv souglit after for the new continent, could equally extend its good results to all the civilized states of the earth : and at the .same time It was to be expected that resolutions passed in such a meeting would be hel.l to be binding on each individual country with an enhanced uegree or lorce. It is especially during the last ten years that tho.se por.sons wh,> in North .Im.rica have taken interest in such questions have ] SUPPLEMENTAUY PAPERS. gg some .lotern.ination t r "n^ t 'thl Flvst'^M 'T' ^'"•"^'^ ,;-•'" a-esent Cl.ancollor of (^veon's University Kin-sto? t/ ;« I ' ns in.lofUti,ablo personal efforts J'^^\J' ^^:::^ Ameici .is in Europe have boon gained to the ca.ise. Esonriallv UeC.UK.ulum Institute u, Toronto, the .A^nerican Society if c/'l Engineers, and he American Metrologic. Society of New Yo who m conunon busied themselves with' the rpiestimi an.l apnoin o i r'lT::.;i"""" '^ -nslder the subject,\ind ^.assed reL'lutW toi the furtl er prosecution of the business. The result of these etJorts was that the Government of the United States of Noitii America in Ang.us^t, 1882, was induced through their diplon.atie q-resenta ■« at the Governments of all civilized countries to invit,> tli.^_ latter ( , send delegates to an international conference to be held at V\ asJii- gtoii to consider the question. It .nu.st be regarded as an important preparation to this confer- ence that scientitic men in Europe had had an opportuuitv before- baiul of exchanging their views on the sul)ject under consideration and were enabled fiom their own standVoint authoritatively tJ recomm(Mid certain resolutions which could count ui)on the support ot then- respective Governments. The initiative was taken by the ^Senate • i the free city of Hamburg which proposed that the subject sliould be brought up at the Congress, summoned to meet in Home lu September, 1883, of European Astronomers and of men interested m Geodes} and in the division of measurement of the degree. The l)ermaneiit Committee of the latter Society willingly accepted the pr_oi)osition, and convened for this ol)ject a nieciing of prominent scientific men, who, beside the immediate matter ot tlie measurement of the degree, issued an invitation to other learned men to take J>art m the deliberatiops, from which a satisfactory opinion with regard to the Unification of Longitude and Time could be expected. It was seen from the l)eginning that with regard to the important matter, the choice of a First Meridan,a marked majority would declare Itself in favour of Greenwich, which, apart from all other consiilerations, sufficiently satisfactorily commcndo.'d itself upon the ground that upproxiinat(dy nine-tenths of all the Sea Charts in use on sea voyages are constructed according to this Meridian, so that the comnK)n accei>tanco would be effected in the easiest manner, and would call ■ & ^ fA « 1.0 I.I 1.25 iiiin o 12.2 112 e I4£ 12.0 1.8 U nil 1.6 .V «9^ ^"m m ^> ■« »'> > :»* y J . tnc Scmces Corporation iV ^^s. ^ \ !^ :\ ^9) V 'La. <^ O'^ 33 WEST MAIN STREET WEBSTEFN.Y. 14580 (716) 872-4503 ^^ -b- ^ %^ 90 UNIVERSAL OR COSMIC TIME. m relatively for the slightest sacrifice from other countries taken collectively. In the mean tinie, it was by no moans unknown that also other Meridians, namely, that of Paiis and the Meridian distant from it 20" in round numbers, which it has been customary to describe as tliat of Ferro, had well-grounded claims to consideration. Astronomers claimed for the former, that of Paris, that the classic labours of LaT)lace, Bessel, Leverrier, Hansen and others had been based upon this Initial Meridian, which had thus been taken as their starting ])oint on Astronomical Territory. It was urged with regard to the latter, that it was the object of constant reference in School Atlasses of Geimany, Eussia and other lands. On the other hand, with regard to Greenwich, besides the practical advantages already named, it could be especially claimed that by far the majority of geographical ])ositions on the earth's surface, were principally established accord- ing to this Meridian ; and that the Greenwich Observatory for more than two centuries having published continuous observations on the -Moon's motion, aiul through manifold labours and investigations bear- ing on navigation, had rendered such service to geography and navi- gation, which no other institution could adduce, or even in any way approach. Iiiduenced 1 .y such considerations, it followed that at the Congress at Rome, the resolution in a certain manner was unanimously adopted to lecommend for general acceptance as First Meridian that of Green- wich. Even the numerous French representatives, many cf them jiersons of imjiortance, did not oppose this step, but by abstaining t'lom voting, contented themselves with this expression of sympathy, with tbe Meridian of Paris so acceptable to them. Likewise, some other r(!solutions bearing upon the subject were at the same time carried with such a large majority as aliiiost to make the vote unanimous : viz., that the Longitudes should be numbered from Greenwich to the East around the whole earth to 3G0" ; that the Universal Time to be introduced, should be Mean Solar Time, taken from the First jVIeri- dian, and that the notation of the latter should be without division of the day in two halve.-?, but carrieil on to 24 hours. A more lively discussion was created by the question, whether the numeration of Universal Time should begin at Greenwich, mid-day or mid-night, was decided in favour of the former. During the consideration of this r< 'Solution, the fact came into strong prominence, that as the present custom of astronomers, and to some extent of navigators, is to reckon the date from noon, the arrangement of details and the difficulties \vhich a departure from this custom would carry with it, would be felt ecpuilly by astronomical chronology, as by the calculator of the Fphemerides. In conclu.slon, two resolutions were accepted by the Congress of Rome, the purport of which was in no way con- nected with its special purpose. One of these set forth, that it was desirable for certain ends, especially for geodesy, that the decimal notation should be introduced into the circle ; and the wish was ''■I SUPPLEMBETARY PAPERS. 91 expressed by otliers present, that the Greenwich Mei'idian liaviiv^ been accepted as First Meridian, miglit be looked upon hv tlie British Government as an equivalent, which might lead them to accede to the ]\Ietre Convention of 1875. The hxst result did actually take place last year. Li the meantime the Government of the United States had re- ceived replies from the greater number of other Governments, ex- pressing tlieir readiness to send delegates to the proposed Interna- tional Conference ; and after that it had been established in Home, that unanimity in relation to tlie determination of a First Meridian was i)ro])ortionably easy of attainment, the Government of the United States sent invitations to all civilized States to attend a Cont^ress which should be held at Washington October 1, 1884. * In this place (Russia) as a further preparation for the Conference on the proposal of the Geographical Society, a Special (Commission was appomted, consisting of representatives of the War and Marine Departments, of the Imperial Academy of Sciences, and the Geo- graphical Society, in order to examine into the question in connec- tion with the main line of discussion, to signify the persons to be delegated to Washington on the part of Eussia, and to submit and draw up instructions for their guidance. It may here be incidentallv mentioned that with regard to these instructions, the purport of which was set forth in a short paper written by one of the Con- mis- sion, Lientenant-Colonel Rylke, that in all essential points they fullv agree with the resolutions passed at Washington at a later date. The tollowing delegates to Washington were recommended by the Com- mission and therefor- named by the Government :— 1. The Russian Ambassador to the United States, C. von Struve, Avho throucrh his extended travels and his geographical labours in Central Asia, po.v sesses at the same time special qualities for the scientific discussions which might be looked for. 2. Chief of Caucasian Survey, General Major btebnitzki, well known through his not less comprehensive as carefully executed geodetic labours, and for the marked scientific spirit with winch they have been carried out. 3. Herr Kologruvoff, mem- ber of the Council of Routes and Communications Other countries were represented at the Washington Conference as follows :— United States, 5 delegates ; Great Britain, 4 ; Spain, .3 ; Germany, France, Hawaii, Mexico and Chili, 2 each. The re- maining States had one delegate. The diplomates accredited to the Gov- ernment of the United States for the most part also assumed similar duties ; for the prominent questions came before them for considera- tion not so much in a scientific point of view as from the stand{)oint of general use and international communication. But accurate science was also pre-eminently represented at the Congress. Without regard to the m.my experienced men prominent from their geodetic and hydro- graphic labours, who with right may claim to be held as efficient I 92 UXiVERSAL OR COSMIC TIME. representatives of the interests of science, the Congress counted in its midst as delegates the workl-renowned Director ofthe Cambridge Ob- servatory, Mr. Adams ; the Associate of the Academy of Sciences at Paris, M. Jansseu ; Mr. L. M. Rutherford, of New York, of acknow- ledged merit by his labo\irs in tlie territory of Astrophysics; the scientific representative of the U. S. Signal Office, Mr. 'Cleveland Abbe. Besides as it opportunely happened that many scientific men were in Washington domiciled, or accidentally there for a ti?ne, the Congress invited them to express their opinion on the matters under consideration ; the head of the American Nautical Almanac, Mr. S. Newcomb, renowned by his genial and comprehensive labours in the lield of astronomy ; the Director of the Coast SurT'ey, Mr. Hilgard ; the oelebracod natural philosopher, Sir William Thompson, and the Director of the Ca)lsruhe Observatory, Dr. Valentiner. In tlie whole, 25 countries were represented at the conference. It Avas resolved that voting would be simply by states, with equal authority without regard to the number of representatives, or the .stand-i)oint of national development [Culturstand], the extent of territory, or the amount of population of each country. Tliere were many important j)oints of consideration differing in character, which I'ointed towards this mode of proceeding. Indeed, as it turned out, a procedure essentially different apparently would have led to the same result, as the proceetlings, as they are set forth in the Protocol, testify. In all im[)ortant matters, Greao Britain and the United States went hand in hand with Russia, and this accord on the part of the representatives of those countries, which, at least with regard to extent of territory, were the most affected by the questions under discussion, perceptibly exercised great influence on the result of the vote. As the conference on the 1st October, 1884, met in the Diplomatic Hall of the Department of State, in Washington, they immediately selected as President the Honourable Admiral Rogers, of the American Navy. The prudence, skill, and impartiality with which he presided over the proceedings are sufficiently established in the record of the Protocol. Lieut.-General Strachey, of the English, M. Janssen, of the French, Dr. Cruls, of the Brazilian Legation, were appointed Secretaries. The conference held eight sittings between October 1st and Nov- ember 1st ; some of which were i)roIonged for many hours. After several delegates, among them those of Russia, had made the declaratiou that they were unable to consider the resolutions of the conference as binding on the countries which they represented, and tliat they could only pledge themselves to recommend to their res- pective governments, such resolutions as they might vote for, the determination was then taken as to organization, and the mode of conducting the business of the congress. With regard to the essential m\ SUPPLEMENTARY PAPERS. 93 \J business of tlie congress, after a debate, in some respects often animated, the following eight resolutions were passed : — I.— That it is the opinion (;f this congress that it is desirahle to adopt a single Prime Meridian for all nations, in place of the multiplicity of initial Meridians which now exist.— [r^/nwr/zio;/.-,/// adnpUd.] II. — That the conference proposes to the governments here repre- sented the a(loi)tion of the Meridian passing,' through the centre of the transit instrument at the 0])servatory at Greenwich, as the Initial Meridian for Longitude.— [^ yes, ;,•',.-'; nan, 1 ; almtainhuj, &'.] III.-- -That from this Meridian Longitude shall he counted in two directions up to ISO degrees, East Longitude being plus a»id West Longi- tude Ht«««.s. — [Ayes, 14.; noes, 5; ahdaininij 1.] IV.— That the Conference proposes the adoption of a Universal day for all purposes for which it may be found convenient, and which shall not interfere with the iise of local or other Standard Time where desirable. — [Ayes, 23 ; ahstaininij, i'.] v.— That this Universal day is to be a mean Solar day ; is to liegin for all the world at the moment of mean midnight of the initial meri- dian, coinciding with the beginning of the civil day and date of that Meridian, and is to be counted from zero up to twenty-four hourt^.— [Ayes, 15 ; noes, 2; abstaining, 7.] VI.— That the Conference expresses the hope that as soon as may be practicable the astronomical and nautical days will be arranged everywhere to begin at mean midnight.— C'arrief/ without division. VII.— That til. Cimference expresses the hope that the technical studies designed to regulate and extend the apjilication of the decimal system to the division of Angular Space and of Time shall ))e resumed so as to permit the extension of this application to all cases in which it presents real advantages.- J /y^^*', 21 ; ahsiaining, 5.] VIII. — That a copy of tlie llesolutions passed by ;his Conference shall be communicated to the Government of the United States of America, at whose instance and within whose territory the Conference has been convened. — [Adopted unanimously.] The first Resolution was manifestly purely formal. It merely stated the end for which the Congress was called together, some- what more fully than had been done in the invitation. The last, resolution is also of the same character, a formal conclusion of the matters under consideration, as the results looked for will lead to further diplomatic proceeding with regard to the resolutions adopted. We beg leave to enter here into some further discussion with regard to the other six resolutions. During the discussion o)i the choice of the First Meridian the French delegates made the proposition that in place of passing through a specified observatory, the choice should, if possible, be made of an entirely neutral Meridian. Plausible as this proposi- tion appears at the first glance to set aside all national jealousies, so the very definition of what was me^ut by an absolute neutral Mericlian, at once liit upon serious difficulties. Moreover the proposition appeared even in a more unfavourable light upon closer 94 UNIVERSAL OR COSMIC TIME. consideration of the conditions necessary to satisfy a neutral Meri- dian. For to bo of itiii)artance as a Firsc Meridian among others, ami in order to admit of no amliiguity it must contain in itself a tleixir- tnre from the ])rinci[)le of neutrality b}' the determination of its position of Lon^dtude through an observatory in the noighbourhootl to be designattid authoritatively. Tiie idea of selection on grounds of neutrality was therefore set aside l)y a great mujority. The remark of M. Jaussen, on the occa- sion of tlie discussion of this subject must be recognized as most just. Namely, that the Meridian of Ferro, introduced at the commence- ment of the KStli century, through J.>e L'Tsle, and subsec^uently brought into common use, lying 20'' to tlie west of that of Paris, by that fact furnished a marked objection to its selection as the common "First Meridian, for from this circumstance it had become purely a French Meridian, and thus, to the great disadvantage of all geograpliy, the Meridian of Ferro had lost its international or neutral character. After the theory of a neutral Meridian was set aside, the grounds on which Greenwich as the starting point of longitude was advocated, came into prominence with their fullest force, and the choice of it as the initial Meridian, followed almost with unanimity, France and Brazil as advocates of the neutrality principle, abstained from v -ting, and ouly the representative of San Domingo, M. de Galvan, voted positively against Greenwich. The latter, however, added that his negative vote must only be taken as an expression of his sympathy with the principle of neutrality. The three succeeding Resolutions, the numbering of Longitudes with different signs. East and West from Greenwich ; the accei)tance of an Universal Day for special purposes ; and the accord of this Universal Day with the Time Keckoning of civil life under the First Meridian, were in their essence internally connected one with the other. The discussion in the Conference accordingly was directed at the same time equally to the thi'ee Resolutions, althour;h the vote npon them was given on each proposition separately, I iy a matter worthy of attention, that the second, which set fovln the main principle, was the only one which obtained an almost unanimous vote, while for the two others many countries abstained from voting, some of the smaller territories even voting negatively. An explanation of this manifestation is found in the fiict that a great number of the Delegates were not provided with special instructions in regard to particular questions, but had only received as a rule of conduct that they should hold to the Resolutions of the Congress at Rome, which in the.se two particular points had decided in the opposite direction. These Dele- gates evidently did not feel themselves at liberty to depart from what had been laid down at Rome, even when their own personal, views in the course of the discussions at Washington rather inclined them to the prevailing direction of the Resolutions there brought forward, .y ^r^m^y^'^rrrfi^l 1} \ J SUPPLEMENTARY PAPERS. an, on the ground of common utility and their confoiumbi.lity to the requirements of the case. In Rome, namely, it was proposed that the Loiii,'itudes departinc/ trom the custom observed, should be numbered around the whole earth from West to East, and this proposition was there accepted witliout further discussion ; so that nothing definite is known con- cerning the reasons on which this resolution was founded. In Wash- ington, on the other hand, this question was fully discussed. It was there expressly and forcibly urged that the resolution adopted at Kome was fr.-.ught with mischief for Cartography, that a departure from the numbering in use ± IBO'^ from the Initial Meridian, in no way offered any scientific advantage, and that the numbcrinii of ^;'"?'*^t-^'' ^^^'~**'® 2^ ^'^'"'^ °f ^^^ ultimately asked-for change ot Uyic Time into proi>osed Universal Time— from want of practice would cause great difficulties and complications. It resulted accord- ingly that the maintenance of the system in use, found no special effective opposition from any side. It was different with regard to the question whether Universal lime should commence with Greenwich, mid-day or mid-night. This question m Rome, as in Washington, was discussed in detail. At Rome the preference was given to mid-day, as thereby the interests ot astronomers and navigators were especially brought into promin- ence. At Washington, on the other hand, the seamen who were present at the Congress maintained that the new principle was of no actual importance for men of their calling, a view which was held also by the Russian naval men. It was also mentioned that already in the United States Marine it was a common practice as in ordinary civic life to count the com- mencement of the day from midnight. Consequently the argument came with greater weight in the Washington Congress that the trans- lation ot the commencement of the Universal Day to Greenwich mid- day would ciaiso considerable distuil^ance to Trade and Commerce in the moat populous territories of the world ; while at these places dur- ing the most important business hours, in tlie period approaching mid- day, a double set of dates must come into use. In the presence of an argument of this character, the interests of the astronomer, which alone must suffer from the determination must naturally be placed in the background. So, as above remarked, the resolution to take mid- night at Greenwich as the commencent of the Universal Day was carried by a two-thirds majority, 7 countries abstaining from votine 2 voting negatively, °' _ During the discussions on the Universal day an opportunity was given to Mr. Sandford Fleming to submit his generally well-known opinions as to the form in which the common acceptance of Universal Time can take the place of the ordinary time affecting civil life which in each particular place depends on the rising and setting of the sun. 7 « < m UNIVERSAL OR COSMIC TIME. These opinions have taken root in North America. For about a year especially by the impulse given by the administrations of railways, ih^ United States and Canada, not through force of law, but by common arrangement of those interested, have been divided into six divisions within the boundaries of which the time notation of ordinarv life al! though 11. a strict sense answering only to the middle Longitude of the Time-division i. taken as a constant, which in the successive time divisions each differs from the other a full hour. According to the communications of the delegate of the United States, Mr W F Alien this .arrangement has been accepted by not less than 85 'per cen of the cities of the United States containing 1 0,000 inhabitants and 80 per cent, of the administrations of railways affected. For ht period no practical difficulties have been reported even in those nlaoo where the true Time of the place differs half an hour fr^m he fe lon-time introduced. But that some necessary difficulties must be experienced by this arrangement in actual civic life is pr^eHy the observation that within these Time-divisions where at the boundCfes there is a clear round hour where one can differ from the other cer tain everyday occupations, for example, the hours of labour of the day- aboiirer with regard to the same use of day light must be establishTd ma differe^rt manner with regard to each other, according as the spot under consideration lies to the east or western boundary of the Div's ion. How this mode of proceeding is regarded by the inhabitant^ of the praine-land the report in no way informs us. It woufd h;w ever, be a matter of surprise if serious complications did not aZ tres apart [1 2-5th miles] or are yet nearer neighbours, must raake use of Time notations which differ an entire houi? So it forcl itself on our attention that in a community of countries of wi'Teu*^^^^^^ consists, in which individual states, apart from their geographTcal position gravitate to one side more than the other in th^eir^commer cial, industrial, or political relationship, that by the adoption ofTmi- lar proceedings they would be subjected to emLrrassments perfecTlv unsupportable Nevertheless, the attempt made in Americans fuD of interest and instruction, and by the favourable result Xh it is said he firs year has effected, it becomes a matter for serous reflec the United states and perhaps will be accepted by other countries o? 30 ?J T' T^^'VV T^'"'''^ P°«^^^°^ ^^d ««^rcely an extent t .1 . S "f If ^'*"'^' ^^^^' ^''^^^y facilitated its introduction In any case the further extension of the principle is yet in the cate gory of experiments, and for this reason the wLhington Co„feience did not recognize that it was in a position to offer a rf solution on the subject, or even to enter into its discussion in detail It might be remarked that the method adopted for the period of dating the Universal Day accepted by the Conference, would not I > I ; r " SUPPLEMENTARY PAPERS. 97 Im f' " interfere witli the system followed by astronomers. That astronomers woukl quietly remain in their old customs without grieving them- selves as to the arrangement of a matter indifferent to them. At a period when everything tends to the simplification of reciprocal relationships, it must appear to us desirable that the numeration of date differing from the rest of the world, must also be abandoned by astronomers, and indeed for the greater reason, that in modern times the mission of many observatories is not simply to subserve scientific purposes, but also to unite with them matters of practical utility. The latter are thrown into active communication with the outer world which, with a double notation of the date, would be much prejudiced! The sixth resolution of the Washington congress, with regard to Time Notation, unanimously voted, which expresses the hope that as soon as it appear practicable to carry out the principle, astronomers and navigators should introduce into their practice the principle of dating the day from midnight, carries this view. The Russian delegates joined in this strongly felt hope ; although, in the instructions given to them, this question had not been mooted. The seventh resolution, submitted according to the wish of Hen- Janssen [recommendation, that the studies over the Decimal Divi- sion of Angles and Time should be resumed] intrinsically stands in no relationship with the propositions which were submitted to the Washington conference, and was from the first declared by the President as not coming within its powers. But a majority of those present, out of regard to the French delegates, and out of considera- tion for the indirect form in which the resolution was set forth, declared that it was permissible to vote upon it. Accordingly, without further discussion, it was almost unanimously accepted. It is now asked by everybody, whether there is any prospect that the Washington Resolution- will come into operation, and by what means that result may be attained? In fact they are to be regarded principally as an authoritive expression of men enjoying public con- fidence in the different countries whose Governments in no way have pledged themselves unconditionally to accept the Resolutions and to give them the forr . of law. It, however, can be foreseen, that sustained by these important expressions of opinion, the logic of facts, and the necessity for the realization of these resolutions will possibly in no distant time lead to that result. Therefore, naturally it comes to be pre-eminently a duty for those who in the different countries are in the position ■';o exercise influence in this direction, to make this influ- ence felt in the sphere of their labours. It may be considered as certain that the use of the Greenwich Meridian for Cartography and the numeration of Longitude will shortly, and without dfficulties being cr(iated, be introduced into all countries. In this matter, thti organs of the Governments of the three most widely extended countries, Russia, Great Britain, and the I 1 98 UMVERfiAL OR COSMIC TIME. United States of Nortli America, have come to an uiiilerstanding, ;iiid hi other coiintries, such as (lennany and Italy, the like result n).;y he looked for, as the same Meridian is itlrt>ady there legally in- troduced in the preparation of the llydrographic Charts. Fossihly France, out of national feeling, may for some time appear as holdiixg hack. Eventually, however, it may be lookeil for, that rcganl for th(,' common good, and for the actual interests of its own n.ivigji- tion, nuiy cause the Government of th;it country to make the unitii-.i- tion complete. Wo may, thei'efore, regard the chief oliject of tin* Washington Conference, namely, the estahlishmont of the First Meridivn, from which all the remaining (}uestions an; more or less natural consequences, as satisfactoi'ily Bolved. Possibly the introduction of Universal Time may experience greatei difficulties in the administration of commercial institutions, as this inno- vation will act upon a numerous class of people, and awaken new ideas on questions with which they have had little occasion to make them- selves fam'liar. In the mejantime, according to the opinion of men capaV)le of a])preciating these difficulties, at least in Russia, where there is great extent in Longitude, besides whore the ideas over the differencDS of Time Notation ai'e moi-e complicated than elsewhere, they are less important than at the first glance they would appear to be. It is to be expected that at the present time the constantly re- peated Congresses on Railway, Post and Telegraph Administration will soon occupy themselves with this matter, and sustained by the authority of the Washington Congress, will call into pi-actice the Resolutions in this respect which were passed there. Much earnest reflection, on the other hand, must be given to the desire ex[)ressed at the meeting, that Astronomical Time Reckoning should be brought in accord with the commencement of the day in civil life. [n this matter astronomers have not simply to abandon a custoni of long standing, and consequently to make conditional chaiiges of pr.ictic(! established for many years, but at the s;i me time astronomical chronology is disturbed, which it is easily understood, must exercis(! a marked effect on the comprehension of all problems bearing upon motion. Without doubt, the astronomer must make a great sacrifice for the fulfilmrnt of this desire ; but in reality this sacrifice is not gi-eater tluui that entailed on our forefathers, when they passed from the Julian to the Gregorian Notation of Time, or when they altered the commencement of the year ; a sacrifice of convenience, by which we yet suHer when it becomes necessary to refer to phenomena of remote dates. At this period we must the less stand in fear of a like sacri- fice, when by such means an acknowledged existing non-accord be- tween science and ordinary life can be set aside : a non-accord which it is true in individual cases does not press heavily on the astronomer, but which is a constant sour-^e of inconvenience! for non-professional f • n «4 If ■f f « * «4 1» SUPPLEMENTARY PAPERS. 99 astronomers, who are desirous of making use of astronomical informa- tion. And in such respect this sacrifioe ceases so to ho considered and is transformed into an act of public utility with regard to all astronomical details which stand in clear relationship with the outer world, in which almost daily conflicts come to the surface between the different designations of dates. Conflicts, among others, which even are injurious to astronomical labours in such observatories, where observ:<,tions are continually adjusted to the day. Great Britain, apparently, ha.s the greatest reason to be satisfied with the Washington Resolutions, for, in her case, there is the greatest accom[)lishment of her wis >os, with a minimum of discom- fort and sacrifice. The cartograpiiy of the whole Kingdom and its Colonies is already based on the Meridian of Greenwich, and the notation of time in commercial relatir.ns in civil life in England and Scotland is determined l)y mean Grcienwlch Time, which hereafter also will be recognized as Universai Time. This preference is a tribute of gratitude for the immense expenditure of time and labour which for moie than two centuries Enirli-sh astronomers, navigators and geographers have continuously bestowed on geography and navi- gation, far exceeding all that in this respect has been done by all other countries. But, on the other hand, this preference has imposed upon England the moral obligation to exert herself to carry out earnestly the wishes expressed at the Washington Conference, namely, the establi«hment of accord betv/een ordinary Astronomical iind Nautical Time notation. It is deserving of comment that this obligation is recognized and that the present Asti-onomer Royal, Mr. H. M. Christie, already has taken the first step in this direction. Since the 1 st of January of this year, die date of observations, and chiefly in the interior economy of the Greenwich Observatory, the date will be set forth equally for the mean Greenwich Time hitherto used and also for XJniveisal Time. In all the publications issued from this Observatory the old mode of notation will be main- tained until it appear advisable to use exclusively Universal Time. At the same time Mr. Christie has given instructions that the great dial which stands at the entrance to Greenwich Observatory, which in a manner regulates the time for the whole of England, being con- tinually brought into requisition by the public, henceforth will show Universal Time from midnight to the 24 succeediug hours. It must appear not less important that the directors of the Nautical Almanac have in deliberation whether and when the corresponding changes in its arrangement with regard to all other disseminated Ephermerides are to commence in order to make them accorc, ./ith the Date-notation of Universal Time. Possibly it might be arranged to come to pass for the year 1890. While the Directors of the Pultowa Observatory make their full acknowledgment to the Astronomer Royal for this precedent which 100 UNr^EnSAL OR COSMIC TIME. hoH been eHtabhahorl, so are they ready to follow the example • and this fact leadH ,^the more to expect that also this cour7 will le adopted by the Washington Naval Observatory, as in the AnTer can Marine the Date-notation from midniglit hmLn already accoptod It IS only m the matter of the i)„riod when Hie r)nfn IZ^^,- according to Universal Time, should be in^^^Jl^^^;:^ t ons of tlie observatories, that we feel inclined to recommend E there shonld be delay until in this n^spect the most i.eiSpl 1 understanding be attaine